Home / 18,807.52-25,952.86-10,309.48

Finding the Fourth Proportional to 18,807.52, 25,952.86 and 10,309.48

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Solution

The fourth proportional to 18,807.52, 25,952.86 and 10,309.48 is: 14,226.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.52 : 25,952.86 = 10,309.48 : x
  2. Step 2: Convert to fraction form
    18,807.52/25,952.86 = 10,309.48/x
  3. Step 3: Cross multiply
    18,807.52x = 25,952.86 × 10,309.48
  4. Step 4: Simplify right side
    18,807.52x = 267,560,545.36
  5. Step 5: Solve for x
    x = 267,560,545.36/18,807.52
  6. Step 6: Final answer
    x = 14,226.26

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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.