Home / 18,728.25-25,844.99-10,345.29

Finding the Fourth Proportional to 18,728.25, 25,844.99 and 10,345.29

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Solution

The fourth proportional to 18,728.25, 25,844.99 and 10,345.29 is: 14,276.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.25 : 25,844.99 = 10,345.29 : x
  2. Step 2: Convert to fraction form
    18,728.25/25,844.99 = 10,345.29/x
  3. Step 3: Cross multiply
    18,728.25x = 25,844.99 × 10,345.29
  4. Step 4: Simplify right side
    18,728.25x = 267,373,864.87
  5. Step 5: Solve for x
    x = 267,373,864.87/18,728.25
  6. Step 6: Final answer
    x = 14,276.50

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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.