Home / 10,270.32-15,407.40-4,114.80

Finding the Fourth Proportional to 10,270.32, 15,407.40 and 4,114.80

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Solution

The fourth proportional to 10,270.32, 15,407.40 and 4,114.80 is: 6,172.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,270.32 : 15,407.40 = 4,114.80 : x
  2. Step 2: Convert to fraction form
    10,270.32/15,407.40 = 4,114.80/x
  3. Step 3: Cross multiply
    10,270.32x = 15,407.40 × 4,114.80
  4. Step 4: Simplify right side
    10,270.32x = 63,398,369.52
  5. Step 5: Solve for x
    x = 63,398,369.52/10,270.32
  6. Step 6: Final answer
    x = 6,172.97

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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.