Home / 15,277.80-22,909.14-4,888.20

Finding the Fourth Proportional to 15,277.80, 22,909.14 and 4,888.20

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Solution

The fourth proportional to 15,277.80, 22,909.14 and 4,888.20 is: 7,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.80 : 22,909.14 = 4,888.20 : x
  2. Step 2: Convert to fraction form
    15,277.80/22,909.14 = 4,888.20/x
  3. Step 3: Cross multiply
    15,277.80x = 22,909.14 × 4,888.20
  4. Step 4: Simplify right side
    15,277.80x = 111,984,458.15
  5. Step 5: Solve for x
    x = 111,984,458.15/15,277.80
  6. Step 6: Final answer
    x = 7,329.88

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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.