Home / 10,319.98-15,480.04-2,528.80

Finding the Fourth Proportional to 10,319.98, 15,480.04 and 2,528.80

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Solution

The fourth proportional to 10,319.98, 15,480.04 and 2,528.80 is: 3,793.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.98 : 15,480.04 = 2,528.80 : x
  2. Step 2: Convert to fraction form
    10,319.98/15,480.04 = 2,528.80/x
  3. Step 3: Cross multiply
    10,319.98x = 15,480.04 × 2,528.80
  4. Step 4: Simplify right side
    10,319.98x = 39,145,925.15
  5. Step 5: Solve for x
    x = 39,145,925.15/10,319.98
  6. Step 6: Final answer
    x = 3,793.22

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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.