Home / 11,895.86-16,397.24-9,373.79

Finding the Fourth Proportional to 11,895.86, 16,397.24 and 9,373.79

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Solution

The fourth proportional to 11,895.86, 16,397.24 and 9,373.79 is: 12,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.86 : 16,397.24 = 9,373.79 : x
  2. Step 2: Convert to fraction form
    11,895.86/16,397.24 = 9,373.79/x
  3. Step 3: Cross multiply
    11,895.86x = 16,397.24 × 9,373.79
  4. Step 4: Simplify right side
    11,895.86x = 153,704,278.46
  5. Step 5: Solve for x
    x = 153,704,278.46/11,895.86
  6. Step 6: Final answer
    x = 12,920.82

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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.