Home / 23,146.56-31,943.16-15,182.64

Finding the Fourth Proportional to 23,146.56, 31,943.16 and 15,182.64

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Solution

The fourth proportional to 23,146.56, 31,943.16 and 15,182.64 is: 20,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,146.56 : 31,943.16 = 15,182.64 : x
  2. Step 2: Convert to fraction form
    23,146.56/31,943.16 = 15,182.64/x
  3. Step 3: Cross multiply
    23,146.56x = 31,943.16 × 15,182.64
  4. Step 4: Simplify right side
    23,146.56x = 484,981,498.74
  5. Step 5: Solve for x
    x = 484,981,498.74/23,146.56
  6. Step 6: Final answer
    x = 20,952.64

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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.