Home / 10,061.60-15,094.20-4,218.80

Finding the Fourth Proportional to 10,061.60, 15,094.20 and 4,218.80

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Solution

The fourth proportional to 10,061.60, 15,094.20 and 4,218.80 is: 6,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,061.60 : 15,094.20 = 4,218.80 : x
  2. Step 2: Convert to fraction form
    10,061.60/15,094.20 = 4,218.80/x
  3. Step 3: Cross multiply
    10,061.60x = 15,094.20 × 4,218.80
  4. Step 4: Simplify right side
    10,061.60x = 63,679,410.96
  5. Step 5: Solve for x
    x = 63,679,410.96/10,061.60
  6. Step 6: Final answer
    x = 6,328.95

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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.