Home / 42,278.68-63,413.22-11,116.36

Finding the Fourth Proportional to 42,278.68, 63,413.22 and 11,116.36

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Solution

The fourth proportional to 42,278.68, 63,413.22 and 11,116.36 is: 16,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,278.68 : 63,413.22 = 11,116.36 : x
  2. Step 2: Convert to fraction form
    42,278.68/63,413.22 = 11,116.36/x
  3. Step 3: Cross multiply
    42,278.68x = 63,413.22 × 11,116.36
  4. Step 4: Simplify right side
    42,278.68x = 704,924,182.28
  5. Step 5: Solve for x
    x = 704,924,182.28/42,278.68
  6. Step 6: Final answer
    x = 16,673.28

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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.