Home / 10,060.20-15,090.30-9,995.40

Finding the Fourth Proportional to 10,060.20, 15,090.30 and 9,995.40

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Solution

The fourth proportional to 10,060.20, 15,090.30 and 9,995.40 is: 14,993.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.20 : 15,090.30 = 9,995.40 : x
  2. Step 2: Convert to fraction form
    10,060.20/15,090.30 = 9,995.40/x
  3. Step 3: Cross multiply
    10,060.20x = 15,090.30 × 9,995.40
  4. Step 4: Simplify right side
    10,060.20x = 150,833,584.62
  5. Step 5: Solve for x
    x = 150,833,584.62/10,060.20
  6. Step 6: Final answer
    x = 14,993.10

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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.