Home / 21,646.17-29,862.68-14,574.87

Finding the Fourth Proportional to 21,646.17, 29,862.68 and 14,574.87

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Solution

The fourth proportional to 21,646.17, 29,862.68 and 14,574.87 is: 20,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.17 : 29,862.68 = 14,574.87 : x
  2. Step 2: Convert to fraction form
    21,646.17/29,862.68 = 14,574.87/x
  3. Step 3: Cross multiply
    21,646.17x = 29,862.68 × 14,574.87
  4. Step 4: Simplify right side
    21,646.17x = 435,244,605.98
  5. Step 5: Solve for x
    x = 435,244,605.98/21,646.17
  6. Step 6: Final answer
    x = 20,107.23

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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.