Home / 11,870.61-16,381.56-6,565.52

Finding the Fourth Proportional to 11,870.61, 16,381.56 and 6,565.52

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Solution

The fourth proportional to 11,870.61, 16,381.56 and 6,565.52 is: 9,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.61 : 16,381.56 = 6,565.52 : x
  2. Step 2: Convert to fraction form
    11,870.61/16,381.56 = 6,565.52/x
  3. Step 3: Cross multiply
    11,870.61x = 16,381.56 × 6,565.52
  4. Step 4: Simplify right side
    11,870.61x = 107,553,377.90
  5. Step 5: Solve for x
    x = 107,553,377.90/11,870.61
  6. Step 6: Final answer
    x = 9,060.48

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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.