Home / 14,264.94-21,292.90-12,581.59

Finding the Fourth Proportional to 14,264.94, 21,292.90 and 12,581.59

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Solution

The fourth proportional to 14,264.94, 21,292.90 and 12,581.59 is: 18,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,264.94 : 21,292.90 = 12,581.59 : x
  2. Step 2: Convert to fraction form
    14,264.94/21,292.90 = 12,581.59/x
  3. Step 3: Cross multiply
    14,264.94x = 21,292.90 × 12,581.59
  4. Step 4: Simplify right side
    14,264.94x = 267,898,500.21
  5. Step 5: Solve for x
    x = 267,898,500.21/14,264.94
  6. Step 6: Final answer
    x = 18,780.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.