Home / 11,451.43-15,805.08-7,472.51

Finding the Fourth Proportional to 11,451.43, 15,805.08 and 7,472.51

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Solution

The fourth proportional to 11,451.43, 15,805.08 and 7,472.51 is: 10,313.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.43 : 15,805.08 = 7,472.51 : x
  2. Step 2: Convert to fraction form
    11,451.43/15,805.08 = 7,472.51/x
  3. Step 3: Cross multiply
    11,451.43x = 15,805.08 × 7,472.51
  4. Step 4: Simplify right side
    11,451.43x = 118,103,501.96
  5. Step 5: Solve for x
    x = 118,103,501.96/11,451.43
  6. Step 6: Final answer
    x = 10,313.43

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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.