Home / 11,864.04-16,374.88-9,872.66

Finding the Fourth Proportional to 11,864.04, 16,374.88 and 9,872.66

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Solution

The fourth proportional to 11,864.04, 16,374.88 and 9,872.66 is: 13,626.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.04 : 16,374.88 = 9,872.66 : x
  2. Step 2: Convert to fraction form
    11,864.04/16,374.88 = 9,872.66/x
  3. Step 3: Cross multiply
    11,864.04x = 16,374.88 × 9,872.66
  4. Step 4: Simplify right side
    11,864.04x = 161,663,622.78
  5. Step 5: Solve for x
    x = 161,663,622.78/11,864.04
  6. Step 6: Final answer
    x = 13,626.36

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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.