Home / 10,096.20-15,144.30-6,985.80

Finding the Fourth Proportional to 10,096.20, 15,144.30 and 6,985.80

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Solution

The fourth proportional to 10,096.20, 15,144.30 and 6,985.80 is: 10,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,096.20 : 15,144.30 = 6,985.80 : x
  2. Step 2: Convert to fraction form
    10,096.20/15,144.30 = 6,985.80/x
  3. Step 3: Cross multiply
    10,096.20x = 15,144.30 × 6,985.80
  4. Step 4: Simplify right side
    10,096.20x = 105,795,050.94
  5. Step 5: Solve for x
    x = 105,795,050.94/10,096.20
  6. Step 6: Final answer
    x = 10,478.70

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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.