Home / 14,864.85-20,513.52-8,150.76

Finding the Fourth Proportional to 14,864.85, 20,513.52 and 8,150.76

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Solution

The fourth proportional to 14,864.85, 20,513.52 and 8,150.76 is: 11,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.85 : 20,513.52 = 8,150.76 : x
  2. Step 2: Convert to fraction form
    14,864.85/20,513.52 = 8,150.76/x
  3. Step 3: Cross multiply
    14,864.85x = 20,513.52 × 8,150.76
  4. Step 4: Simplify right side
    14,864.85x = 167,200,778.28
  5. Step 5: Solve for x
    x = 167,200,778.28/14,864.85
  6. Step 6: Final answer
    x = 11,248.06

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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.