Home / 21,290.04-31,939.92-6,499.24

Finding the Fourth Proportional to 21,290.04, 31,939.92 and 6,499.24

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Solution

The fourth proportional to 21,290.04, 31,939.92 and 6,499.24 is: 9,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,290.04 : 31,939.92 = 6,499.24 : x
  2. Step 2: Convert to fraction form
    21,290.04/31,939.92 = 6,499.24/x
  3. Step 3: Cross multiply
    21,290.04x = 31,939.92 × 6,499.24
  4. Step 4: Simplify right side
    21,290.04x = 207,585,205.66
  5. Step 5: Solve for x
    x = 207,585,205.66/21,290.04
  6. Step 6: Final answer
    x = 9,750.34

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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.