Home / 18,451.68-25,463.88-10,495.05

Finding the Fourth Proportional to 18,451.68, 25,463.88 and 10,495.05

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Solution

The fourth proportional to 18,451.68, 25,463.88 and 10,495.05 is: 14,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.68 : 25,463.88 = 10,495.05 : x
  2. Step 2: Convert to fraction form
    18,451.68/25,463.88 = 10,495.05/x
  3. Step 3: Cross multiply
    18,451.68x = 25,463.88 × 10,495.05
  4. Step 4: Simplify right side
    18,451.68x = 267,244,693.79
  5. Step 5: Solve for x
    x = 267,244,693.79/18,451.68
  6. Step 6: Final answer
    x = 14,483.49

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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.