Home / 14,721.87-20,314.34-9,952.19

Finding the Fourth Proportional to 14,721.87, 20,314.34 and 9,952.19

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Solution

The fourth proportional to 14,721.87, 20,314.34 and 9,952.19 is: 13,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.87 : 20,314.34 = 9,952.19 : x
  2. Step 2: Convert to fraction form
    14,721.87/20,314.34 = 9,952.19/x
  3. Step 3: Cross multiply
    14,721.87x = 20,314.34 × 9,952.19
  4. Step 4: Simplify right side
    14,721.87x = 202,172,210.01
  5. Step 5: Solve for x
    x = 202,172,210.01/14,721.87
  6. Step 6: Final answer
    x = 13,732.78

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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.