Home / 9,915.08-14,872.68-4,291.43

Finding the Fourth Proportional to 9,915.08, 14,872.68 and 4,291.43

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Solution

The fourth proportional to 9,915.08, 14,872.68 and 4,291.43 is: 6,437.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.08 : 14,872.68 = 4,291.43 : x
  2. Step 2: Convert to fraction form
    9,915.08/14,872.68 = 4,291.43/x
  3. Step 3: Cross multiply
    9,915.08x = 14,872.68 × 4,291.43
  4. Step 4: Simplify right side
    9,915.08x = 63,824,990.77
  5. Step 5: Solve for x
    x = 63,824,990.77/9,915.08
  6. Step 6: Final answer
    x = 6,437.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.