Home / 20,664.24-31,001.22-6,432.06

Finding the Fourth Proportional to 20,664.24, 31,001.22 and 6,432.06

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Solution

The fourth proportional to 20,664.24, 31,001.22 and 6,432.06 is: 9,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,664.24 : 31,001.22 = 6,432.06 : x
  2. Step 2: Convert to fraction form
    20,664.24/31,001.22 = 6,432.06/x
  3. Step 3: Cross multiply
    20,664.24x = 31,001.22 × 6,432.06
  4. Step 4: Simplify right side
    20,664.24x = 199,401,707.11
  5. Step 5: Solve for x
    x = 199,401,707.11/20,664.24
  6. Step 6: Final answer
    x = 9,649.60

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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.