Home / 21,043.32-31,559.52-6,248.76

Finding the Fourth Proportional to 21,043.32, 31,559.52 and 6,248.76

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Solution

The fourth proportional to 21,043.32, 31,559.52 and 6,248.76 is: 9,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,043.32 : 31,559.52 = 6,248.76 : x
  2. Step 2: Convert to fraction form
    21,043.32/31,559.52 = 6,248.76/x
  3. Step 3: Cross multiply
    21,043.32x = 31,559.52 × 6,248.76
  4. Step 4: Simplify right side
    21,043.32x = 197,207,866.20
  5. Step 5: Solve for x
    x = 197,207,866.20/21,043.32
  6. Step 6: Final answer
    x = 9,371.52

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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.