Home / 10,060.60-15,090.90-3,486.79

Finding the Fourth Proportional to 10,060.60, 15,090.90 and 3,486.79

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Solution

The fourth proportional to 10,060.60, 15,090.90 and 3,486.79 is: 5,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.60 : 15,090.90 = 3,486.79 : x
  2. Step 2: Convert to fraction form
    10,060.60/15,090.90 = 3,486.79/x
  3. Step 3: Cross multiply
    10,060.60x = 15,090.90 × 3,486.79
  4. Step 4: Simplify right side
    10,060.60x = 52,618,706.32
  5. Step 5: Solve for x
    x = 52,618,706.32/10,060.60
  6. Step 6: Final answer
    x = 5,230.18

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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.