Home / 18,490.74-25,514.37-10,531.95

Finding the Fourth Proportional to 18,490.74, 25,514.37 and 10,531.95

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Solution

The fourth proportional to 18,490.74, 25,514.37 and 10,531.95 is: 14,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.74 : 25,514.37 = 10,531.95 : x
  2. Step 2: Convert to fraction form
    18,490.74/25,514.37 = 10,531.95/x
  3. Step 3: Cross multiply
    18,490.74x = 25,514.37 × 10,531.95
  4. Step 4: Simplify right side
    18,490.74x = 268,716,069.12
  5. Step 5: Solve for x
    x = 268,716,069.12/18,490.74
  6. Step 6: Final answer
    x = 14,532.47

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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.