Home / 21,512.80-32,266.78-7,470.24

Finding the Fourth Proportional to 21,512.80, 32,266.78 and 7,470.24

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Solution

The fourth proportional to 21,512.80, 32,266.78 and 7,470.24 is: 11,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.80 : 32,266.78 = 7,470.24 : x
  2. Step 2: Convert to fraction form
    21,512.80/32,266.78 = 7,470.24/x
  3. Step 3: Cross multiply
    21,512.80x = 32,266.78 × 7,470.24
  4. Step 4: Simplify right side
    21,512.80x = 241,040,590.63
  5. Step 5: Solve for x
    x = 241,040,590.63/21,512.80
  6. Step 6: Final answer
    x = 11,204.52

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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.