Home / 18,439.55-25,448.90-10,373.61

Finding the Fourth Proportional to 18,439.55, 25,448.90 and 10,373.61

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Solution

The fourth proportional to 18,439.55, 25,448.90 and 10,373.61 is: 14,316.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.55 : 25,448.90 = 10,373.61 : x
  2. Step 2: Convert to fraction form
    18,439.55/25,448.90 = 10,373.61/x
  3. Step 3: Cross multiply
    18,439.55x = 25,448.90 × 10,373.61
  4. Step 4: Simplify right side
    18,439.55x = 263,996,911.66
  5. Step 5: Solve for x
    x = 263,996,911.66/18,439.55
  6. Step 6: Final answer
    x = 14,316.89

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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.