Home / 21,047.24-31,559.86-6,254.12

Finding the Fourth Proportional to 21,047.24, 31,559.86 and 6,254.12

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Solution

The fourth proportional to 21,047.24, 31,559.86 and 6,254.12 is: 9,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047.24 : 31,559.86 = 6,254.12 : x
  2. Step 2: Convert to fraction form
    21,047.24/31,559.86 = 6,254.12/x
  3. Step 3: Cross multiply
    21,047.24x = 31,559.86 × 6,254.12
  4. Step 4: Simplify right side
    21,047.24x = 197,379,151.62
  5. Step 5: Solve for x
    x = 197,379,151.62/21,047.24
  6. Step 6: Final answer
    x = 9,377.91

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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.