Home / 15,472.80-21,331.79-12,296.64

Finding the Fourth Proportional to 15,472.80, 21,331.79 and 12,296.64

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Solution

The fourth proportional to 15,472.80, 21,331.79 and 12,296.64 is: 16,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.80 : 21,331.79 = 12,296.64 : x
  2. Step 2: Convert to fraction form
    15,472.80/21,331.79 = 12,296.64/x
  3. Step 3: Cross multiply
    15,472.80x = 21,331.79 × 12,296.64
  4. Step 4: Simplify right side
    15,472.80x = 262,309,278.70
  5. Step 5: Solve for x
    x = 262,309,278.70/15,472.80
  6. Step 6: Final answer
    x = 16,952.93

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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.