Home / 13,472.38-18,566.26-9,688.87

Finding the Fourth Proportional to 13,472.38, 18,566.26 and 9,688.87

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Solution

The fourth proportional to 13,472.38, 18,566.26 and 9,688.87 is: 13,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.38 : 18,566.26 = 9,688.87 : x
  2. Step 2: Convert to fraction form
    13,472.38/18,566.26 = 9,688.87/x
  3. Step 3: Cross multiply
    13,472.38x = 18,566.26 × 9,688.87
  4. Step 4: Simplify right side
    13,472.38x = 179,886,028.58
  5. Step 5: Solve for x
    x = 179,886,028.58/13,472.38
  6. Step 6: Final answer
    x = 13,352.21

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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.