Home / 9,278.80-13,922.20-6,159.92

Finding the Fourth Proportional to 9,278.80, 13,922.20 and 6,159.92

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Solution

The fourth proportional to 9,278.80, 13,922.20 and 6,159.92 is: 9,242.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.80 : 13,922.20 = 6,159.92 : x
  2. Step 2: Convert to fraction form
    9,278.80/13,922.20 = 6,159.92/x
  3. Step 3: Cross multiply
    9,278.80x = 13,922.20 × 6,159.92
  4. Step 4: Simplify right side
    9,278.80x = 85,759,638.22
  5. Step 5: Solve for x
    x = 85,759,638.22/9,278.80
  6. Step 6: Final answer
    x = 9,242.54

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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.