Home / 9,680.80-14,521.28-6,220.48

Finding the Fourth Proportional to 9,680.80, 14,521.28 and 6,220.48

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Solution

The fourth proportional to 9,680.80, 14,521.28 and 6,220.48 is: 9,330.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.80 : 14,521.28 = 6,220.48 : x
  2. Step 2: Convert to fraction form
    9,680.80/14,521.28 = 6,220.48/x
  3. Step 3: Cross multiply
    9,680.80x = 14,521.28 × 6,220.48
  4. Step 4: Simplify right side
    9,680.80x = 90,329,331.81
  5. Step 5: Solve for x
    x = 90,329,331.81/9,680.80
  6. Step 6: Final answer
    x = 9,330.77

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Similar ratio
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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.