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Finding the Fourth Proportional to 14,693.32, 22,031.88 and 7,655.77

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Solution

The fourth proportional to 14,693.32, 22,031.88 and 7,655.77 is: 11,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.32 : 22,031.88 = 7,655.77 : x
  2. Step 2: Convert to fraction form
    14,693.32/22,031.88 = 7,655.77/x
  3. Step 3: Cross multiply
    14,693.32x = 22,031.88 × 7,655.77
  4. Step 4: Simplify right side
    14,693.32x = 168,671,005.95
  5. Step 5: Solve for x
    x = 168,671,005.95/14,693.32
  6. Step 6: Final answer
    x = 11,479.43

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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.