Home / 10,229.04-15,343.92-6,764.40

Finding the Fourth Proportional to 10,229.04, 15,343.92 and 6,764.40

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Solution

The fourth proportional to 10,229.04, 15,343.92 and 6,764.40 is: 10,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,229.04 : 15,343.92 = 6,764.40 : x
  2. Step 2: Convert to fraction form
    10,229.04/15,343.92 = 6,764.40/x
  3. Step 3: Cross multiply
    10,229.04x = 15,343.92 × 6,764.40
  4. Step 4: Simplify right side
    10,229.04x = 103,792,412.45
  5. Step 5: Solve for x
    x = 103,792,412.45/10,229.04
  6. Step 6: Final answer
    x = 10,146.84

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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.