Home / 18,100.60-24,979.51-10,142.53

Finding the Fourth Proportional to 18,100.60, 24,979.51 and 10,142.53

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Solution

The fourth proportional to 18,100.60, 24,979.51 and 10,142.53 is: 13,997.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.60 : 24,979.51 = 10,142.53 : x
  2. Step 2: Convert to fraction form
    18,100.60/24,979.51 = 10,142.53/x
  3. Step 3: Cross multiply
    18,100.60x = 24,979.51 × 10,142.53
  4. Step 4: Simplify right side
    18,100.60x = 253,355,466.65
  5. Step 5: Solve for x
    x = 253,355,466.65/18,100.60
  6. Step 6: Final answer
    x = 13,997.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.