Home / 21,046.20-31,564.74-6,255.24

Finding the Fourth Proportional to 21,046.20, 31,564.74 and 6,255.24

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Solution

The fourth proportional to 21,046.20, 31,564.74 and 6,255.24 is: 9,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,046.20 : 31,564.74 = 6,255.24 : x
  2. Step 2: Convert to fraction form
    21,046.20/31,564.74 = 6,255.24/x
  3. Step 3: Cross multiply
    21,046.20x = 31,564.74 × 6,255.24
  4. Step 4: Simplify right side
    21,046.20x = 197,445,024.24
  5. Step 5: Solve for x
    x = 197,445,024.24/21,046.20
  6. Step 6: Final answer
    x = 9,381.50

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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.