Home / 19,331.43-26,690.22-14,847.16

Finding the Fourth Proportional to 19,331.43, 26,690.22 and 14,847.16

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Solution

The fourth proportional to 19,331.43, 26,690.22 and 14,847.16 is: 20,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.43 : 26,690.22 = 14,847.16 : x
  2. Step 2: Convert to fraction form
    19,331.43/26,690.22 = 14,847.16/x
  3. Step 3: Cross multiply
    19,331.43x = 26,690.22 × 14,847.16
  4. Step 4: Simplify right side
    19,331.43x = 396,273,966.78
  5. Step 5: Solve for x
    x = 396,273,966.78/19,331.43
  6. Step 6: Final answer
    x = 20,498.95

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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.