Home / 15,333.60-21,159.23-8,617.92

Finding the Fourth Proportional to 15,333.60, 21,159.23 and 8,617.92

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Solution

The fourth proportional to 15,333.60, 21,159.23 and 8,617.92 is: 11,892.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.60 : 21,159.23 = 8,617.92 : x
  2. Step 2: Convert to fraction form
    15,333.60/21,159.23 = 8,617.92/x
  3. Step 3: Cross multiply
    15,333.60x = 21,159.23 × 8,617.92
  4. Step 4: Simplify right side
    15,333.60x = 182,348,488.48
  5. Step 5: Solve for x
    x = 182,348,488.48/15,333.60
  6. Step 6: Final answer
    x = 11,892.08

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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.