Home / 11,426.14-17,139.21-7,529.64

Finding the Fourth Proportional to 11,426.14, 17,139.21 and 7,529.64

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Solution

The fourth proportional to 11,426.14, 17,139.21 and 7,529.64 is: 11,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,426.14 : 17,139.21 = 7,529.64 : x
  2. Step 2: Convert to fraction form
    11,426.14/17,139.21 = 7,529.64/x
  3. Step 3: Cross multiply
    11,426.14x = 17,139.21 × 7,529.64
  4. Step 4: Simplify right side
    11,426.14x = 129,052,081.18
  5. Step 5: Solve for x
    x = 129,052,081.18/11,426.14
  6. Step 6: Final answer
    x = 11,294.46

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.