Home / 14,729.50-20,326.71-8,445.52

Finding the Fourth Proportional to 14,729.50, 20,326.71 and 8,445.52

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Solution

The fourth proportional to 14,729.50, 20,326.71 and 8,445.52 is: 11,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.50 : 20,326.71 = 8,445.52 : x
  2. Step 2: Convert to fraction form
    14,729.50/20,326.71 = 8,445.52/x
  3. Step 3: Cross multiply
    14,729.50x = 20,326.71 × 8,445.52
  4. Step 4: Simplify right side
    14,729.50x = 171,669,635.84
  5. Step 5: Solve for x
    x = 171,669,635.84/14,729.50
  6. Step 6: Final answer
    x = 11,654.82

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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.