Home / 10,170.30-15,259.20-4,247.80

Finding the Fourth Proportional to 10,170.30, 15,259.20 and 4,247.80

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Solution

The fourth proportional to 10,170.30, 15,259.20 and 4,247.80 is: 6,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,170.30 : 15,259.20 = 4,247.80 : x
  2. Step 2: Convert to fraction form
    10,170.30/15,259.20 = 4,247.80/x
  3. Step 3: Cross multiply
    10,170.30x = 15,259.20 × 4,247.80
  4. Step 4: Simplify right side
    10,170.30x = 64,818,032.90
  5. Step 5: Solve for x
    x = 64,818,032.90/10,170.30
  6. Step 6: Final answer
    x = 6,373.27

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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.