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Finding the Fourth Proportional to 14,572.52, 20,110.08 and 8,285.28

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Solution

The fourth proportional to 14,572.52, 20,110.08 and 8,285.28 is: 11,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.52 : 20,110.08 = 8,285.28 : x
  2. Step 2: Convert to fraction form
    14,572.52/20,110.08 = 8,285.28/x
  3. Step 3: Cross multiply
    14,572.52x = 20,110.08 × 8,285.28
  4. Step 4: Simplify right side
    14,572.52x = 166,617,643.62
  5. Step 5: Solve for x
    x = 166,617,643.62/14,572.52
  6. Step 6: Final answer
    x = 11,433.69

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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.