Home / 15,947.47-22,008.37-8,874.05

Finding the Fourth Proportional to 15,947.47, 22,008.37 and 8,874.05

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Solution

The fourth proportional to 15,947.47, 22,008.37 and 8,874.05 is: 12,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.47 : 22,008.37 = 8,874.05 : x
  2. Step 2: Convert to fraction form
    15,947.47/22,008.37 = 8,874.05/x
  3. Step 3: Cross multiply
    15,947.47x = 22,008.37 × 8,874.05
  4. Step 4: Simplify right side
    15,947.47x = 195,303,265.76
  5. Step 5: Solve for x
    x = 195,303,265.76/15,947.47
  6. Step 6: Final answer
    x = 12,246.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.