Home / 18,830.38-25,986.41-10,332.87

Finding the Fourth Proportional to 18,830.38, 25,986.41 and 10,332.87

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Solution

The fourth proportional to 18,830.38, 25,986.41 and 10,332.87 is: 14,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.38 : 25,986.41 = 10,332.87 : x
  2. Step 2: Convert to fraction form
    18,830.38/25,986.41 = 10,332.87/x
  3. Step 3: Cross multiply
    18,830.38x = 25,986.41 × 10,332.87
  4. Step 4: Simplify right side
    18,830.38x = 268,514,196.30
  5. Step 5: Solve for x
    x = 268,514,196.30/18,830.38
  6. Step 6: Final answer
    x = 14,259.63

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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.