Home / 10,060.20-15,090.30-8,965.80

Finding the Fourth Proportional to 10,060.20, 15,090.30 and 8,965.80

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Solution

The fourth proportional to 10,060.20, 15,090.30 and 8,965.80 is: 13,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.20 : 15,090.30 = 8,965.80 : x
  2. Step 2: Convert to fraction form
    10,060.20/15,090.30 = 8,965.80/x
  3. Step 3: Cross multiply
    10,060.20x = 15,090.30 × 8,965.80
  4. Step 4: Simplify right side
    10,060.20x = 135,296,611.74
  5. Step 5: Solve for x
    x = 135,296,611.74/10,060.20
  6. Step 6: Final answer
    x = 13,448.70

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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.