Home / 18,458.12-25,463.55-10,899.30

Finding the Fourth Proportional to 18,458.12, 25,463.55 and 10,899.30

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Solution

The fourth proportional to 18,458.12, 25,463.55 and 10,899.30 is: 15,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.12 : 25,463.55 = 10,899.30 : x
  2. Step 2: Convert to fraction form
    18,458.12/25,463.55 = 10,899.30/x
  3. Step 3: Cross multiply
    18,458.12x = 25,463.55 × 10,899.30
  4. Step 4: Simplify right side
    18,458.12x = 277,534,688.70
  5. Step 5: Solve for x
    x = 277,534,688.70/18,458.12
  6. Step 6: Final answer
    x = 15,035.92

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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.