Home / 18,488.66-25,514.36-10,531.63

Finding the Fourth Proportional to 18,488.66, 25,514.36 and 10,531.63

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Solution

The fourth proportional to 18,488.66, 25,514.36 and 10,531.63 is: 14,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.66 : 25,514.36 = 10,531.63 : x
  2. Step 2: Convert to fraction form
    18,488.66/25,514.36 = 10,531.63/x
  3. Step 3: Cross multiply
    18,488.66x = 25,514.36 × 10,531.63
  4. Step 4: Simplify right side
    18,488.66x = 268,707,799.21
  5. Step 5: Solve for x
    x = 268,707,799.21/18,488.66
  6. Step 6: Final answer
    x = 14,533.65

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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.