Home / 11,429.07-15,774.75-7,443.24

Finding the Fourth Proportional to 11,429.07, 15,774.75 and 7,443.24

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Solution

The fourth proportional to 11,429.07, 15,774.75 and 7,443.24 is: 10,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,429.07 : 15,774.75 = 7,443.24 : x
  2. Step 2: Convert to fraction form
    11,429.07/15,774.75 = 7,443.24/x
  3. Step 3: Cross multiply
    11,429.07x = 15,774.75 × 7,443.24
  4. Step 4: Simplify right side
    11,429.07x = 117,415,250.19
  5. Step 5: Solve for x
    x = 117,415,250.19/11,429.07
  6. Step 6: Final answer
    x = 10,273.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.