Home / 18,729.32-25,844.26-10,345.32

Finding the Fourth Proportional to 18,729.32, 25,844.26 and 10,345.32

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Solution

The fourth proportional to 18,729.32, 25,844.26 and 10,345.32 is: 14,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.32 : 25,844.26 = 10,345.32 : x
  2. Step 2: Convert to fraction form
    18,729.32/25,844.26 = 10,345.32/x
  3. Step 3: Cross multiply
    18,729.32x = 25,844.26 × 10,345.32
  4. Step 4: Simplify right side
    18,729.32x = 267,367,139.86
  5. Step 5: Solve for x
    x = 267,367,139.86/18,729.32
  6. Step 6: Final answer
    x = 14,275.33

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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.