Home / 19,331.55-26,690.39-14,847.29

Finding the Fourth Proportional to 19,331.55, 26,690.39 and 14,847.29

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Solution

The fourth proportional to 19,331.55, 26,690.39 and 14,847.29 is: 20,499.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.55 : 26,690.39 = 14,847.29 : x
  2. Step 2: Convert to fraction form
    19,331.55/26,690.39 = 14,847.29/x
  3. Step 3: Cross multiply
    19,331.55x = 26,690.39 × 14,847.29
  4. Step 4: Simplify right side
    19,331.55x = 396,279,864.21
  5. Step 5: Solve for x
    x = 396,279,864.21/19,331.55
  6. Step 6: Final answer
    x = 20,499.13

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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.