Home / 14,436.80-21,663.30-6,115.40

Finding the Fourth Proportional to 14,436.80, 21,663.30 and 6,115.40

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Solution

The fourth proportional to 14,436.80, 21,663.30 and 6,115.40 is: 9,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.80 : 21,663.30 = 6,115.40 : x
  2. Step 2: Convert to fraction form
    14,436.80/21,663.30 = 6,115.40/x
  3. Step 3: Cross multiply
    14,436.80x = 21,663.30 × 6,115.40
  4. Step 4: Simplify right side
    14,436.80x = 132,479,744.82
  5. Step 5: Solve for x
    x = 132,479,744.82/14,436.80
  6. Step 6: Final answer
    x = 9,176.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.