Home / 11,227.17-15,501.75-9,001.29

Finding the Fourth Proportional to 11,227.17, 15,501.75 and 9,001.29

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Solution

The fourth proportional to 11,227.17, 15,501.75 and 9,001.29 is: 12,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.17 : 15,501.75 = 9,001.29 : x
  2. Step 2: Convert to fraction form
    11,227.17/15,501.75 = 9,001.29/x
  3. Step 3: Cross multiply
    11,227.17x = 15,501.75 × 9,001.29
  4. Step 4: Simplify right side
    11,227.17x = 139,535,747.26
  5. Step 5: Solve for x
    x = 139,535,747.26/11,227.17
  6. Step 6: Final answer
    x = 12,428.40

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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.