Home / 14,654.72-20,219.52-8,364.80

Finding the Fourth Proportional to 14,654.72, 20,219.52 and 8,364.80

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Solution

The fourth proportional to 14,654.72, 20,219.52 and 8,364.80 is: 11,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.72 : 20,219.52 = 8,364.80 : x
  2. Step 2: Convert to fraction form
    14,654.72/20,219.52 = 8,364.80/x
  3. Step 3: Cross multiply
    14,654.72x = 20,219.52 × 8,364.80
  4. Step 4: Simplify right side
    14,654.72x = 169,132,240.90
  5. Step 5: Solve for x
    x = 169,132,240.90/14,654.72
  6. Step 6: Final answer
    x = 11,541.14

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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.