Home / 21,154.58-31,732.10-10,062.39

Finding the Fourth Proportional to 21,154.58, 31,732.10 and 10,062.39

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Solution

The fourth proportional to 21,154.58, 31,732.10 and 10,062.39 is: 15,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,154.58 : 31,732.10 = 10,062.39 : x
  2. Step 2: Convert to fraction form
    21,154.58/31,732.10 = 10,062.39/x
  3. Step 3: Cross multiply
    21,154.58x = 31,732.10 × 10,062.39
  4. Step 4: Simplify right side
    21,154.58x = 319,300,765.72
  5. Step 5: Solve for x
    x = 319,300,765.72/21,154.58
  6. Step 6: Final answer
    x = 15,093.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.