Home / 42,556.22-63,833.36-11,391.46

Finding the Fourth Proportional to 42,556.22, 63,833.36 and 11,391.46

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Solution

The fourth proportional to 42,556.22, 63,833.36 and 11,391.46 is: 17,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,556.22 : 63,833.36 = 11,391.46 : x
  2. Step 2: Convert to fraction form
    42,556.22/63,833.36 = 11,391.46/x
  3. Step 3: Cross multiply
    42,556.22x = 63,833.36 × 11,391.46
  4. Step 4: Simplify right side
    42,556.22x = 727,155,167.11
  5. Step 5: Solve for x
    x = 727,155,167.11/42,556.22
  6. Step 6: Final answer
    x = 17,086.93

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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.