Home / 11,870.18-16,381.17-6,565.19

Finding the Fourth Proportional to 11,870.18, 16,381.17 and 6,565.19

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Solution

The fourth proportional to 11,870.18, 16,381.17 and 6,565.19 is: 9,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,870.18 : 16,381.17 = 6,565.19 : x
  2. Step 2: Convert to fraction form
    11,870.18/16,381.17 = 6,565.19/x
  3. Step 3: Cross multiply
    11,870.18x = 16,381.17 × 6,565.19
  4. Step 4: Simplify right side
    11,870.18x = 107,545,411.57
  5. Step 5: Solve for x
    x = 107,545,411.57/11,870.18
  6. Step 6: Final answer
    x = 9,060.14

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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.