Home / 14,288.72-19,711.85-9,254.61

Finding the Fourth Proportional to 14,288.72, 19,711.85 and 9,254.61

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Solution

The fourth proportional to 14,288.72, 19,711.85 and 9,254.61 is: 12,767.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.72 : 19,711.85 = 9,254.61 : x
  2. Step 2: Convert to fraction form
    14,288.72/19,711.85 = 9,254.61/x
  3. Step 3: Cross multiply
    14,288.72x = 19,711.85 × 9,254.61
  4. Step 4: Simplify right side
    14,288.72x = 182,425,437.86
  5. Step 5: Solve for x
    x = 182,425,437.86/14,288.72
  6. Step 6: Final answer
    x = 12,767.10

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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.