Home / 16,979.43-25,432.29-10,385.63

Finding the Fourth Proportional to 16,979.43, 25,432.29 and 10,385.63

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Solution

The fourth proportional to 16,979.43, 25,432.29 and 10,385.63 is: 15,555.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979.43 : 25,432.29 = 10,385.63 : x
  2. Step 2: Convert to fraction form
    16,979.43/25,432.29 = 10,385.63/x
  3. Step 3: Cross multiply
    16,979.43x = 25,432.29 × 10,385.63
  4. Step 4: Simplify right side
    16,979.43x = 264,130,226.83
  5. Step 5: Solve for x
    x = 264,130,226.83/16,979.43
  6. Step 6: Final answer
    x = 15,555.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.