Home / 21,044.32-31,561.02-6,249.76

Finding the Fourth Proportional to 21,044.32, 31,561.02 and 6,249.76

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Solution

The fourth proportional to 21,044.32, 31,561.02 and 6,249.76 is: 9,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,044.32 : 31,561.02 = 6,249.76 : x
  2. Step 2: Convert to fraction form
    21,044.32/31,561.02 = 6,249.76/x
  3. Step 3: Cross multiply
    21,044.32x = 31,561.02 × 6,249.76
  4. Step 4: Simplify right side
    21,044.32x = 197,248,800.36
  5. Step 5: Solve for x
    x = 197,248,800.36/21,044.32
  6. Step 6: Final answer
    x = 9,373.02

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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.