Home / 18,727.62-25,845.76-10,345.74

Finding the Fourth Proportional to 18,727.62, 25,845.76 and 10,345.74

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Solution

The fourth proportional to 18,727.62, 25,845.76 and 10,345.74 is: 14,278.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.62 : 25,845.76 = 10,345.74 : x
  2. Step 2: Convert to fraction form
    18,727.62/25,845.76 = 10,345.74/x
  3. Step 3: Cross multiply
    18,727.62x = 25,845.76 × 10,345.74
  4. Step 4: Simplify right side
    18,727.62x = 267,393,513.06
  5. Step 5: Solve for x
    x = 267,393,513.06/18,727.62
  6. Step 6: Final answer
    x = 14,278.03

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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.