Home / 18,701.52-25,807.92-10,317.96

Finding the Fourth Proportional to 18,701.52, 25,807.92 and 10,317.96

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Solution

The fourth proportional to 18,701.52, 25,807.92 and 10,317.96 is: 14,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.52 : 25,807.92 = 10,317.96 : x
  2. Step 2: Convert to fraction form
    18,701.52/25,807.92 = 10,317.96/x
  3. Step 3: Cross multiply
    18,701.52x = 25,807.92 × 10,317.96
  4. Step 4: Simplify right side
    18,701.52x = 266,285,086.24
  5. Step 5: Solve for x
    x = 266,285,086.24/18,701.52
  6. Step 6: Final answer
    x = 14,238.69

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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.