Home / 21,322.06-29,426.45-12,248.71

Finding the Fourth Proportional to 21,322.06, 29,426.45 and 12,248.71

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Solution

The fourth proportional to 21,322.06, 29,426.45 and 12,248.71 is: 16,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322.06 : 29,426.45 = 12,248.71 : x
  2. Step 2: Convert to fraction form
    21,322.06/29,426.45 = 12,248.71/x
  3. Step 3: Cross multiply
    21,322.06x = 29,426.45 × 12,248.71
  4. Step 4: Simplify right side
    21,322.06x = 360,436,052.38
  5. Step 5: Solve for x
    x = 360,436,052.38/21,322.06
  6. Step 6: Final answer
    x = 16,904.37

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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.