Home / 10,040.20-15,060.30-9,613.60

Finding the Fourth Proportional to 10,040.20, 15,060.30 and 9,613.60

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Solution

The fourth proportional to 10,040.20, 15,060.30 and 9,613.60 is: 14,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.20 : 15,060.30 = 9,613.60 : x
  2. Step 2: Convert to fraction form
    10,040.20/15,060.30 = 9,613.60/x
  3. Step 3: Cross multiply
    10,040.20x = 15,060.30 × 9,613.60
  4. Step 4: Simplify right side
    10,040.20x = 144,783,700.08
  5. Step 5: Solve for x
    x = 144,783,700.08/10,040.20
  6. Step 6: Final answer
    x = 14,420.40

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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.