Home / 11,011.01-15,191.22-7,236.24

Finding the Fourth Proportional to 11,011.01, 15,191.22 and 7,236.24

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Solution

The fourth proportional to 11,011.01, 15,191.22 and 7,236.24 is: 9,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.01 : 15,191.22 = 7,236.24 : x
  2. Step 2: Convert to fraction form
    11,011.01/15,191.22 = 7,236.24/x
  3. Step 3: Cross multiply
    11,011.01x = 15,191.22 × 7,236.24
  4. Step 4: Simplify right side
    11,011.01x = 109,927,263.63
  5. Step 5: Solve for x
    x = 109,927,263.63/11,011.01
  6. Step 6: Final answer
    x = 9,983.39

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.