Home / 10,412.52-15,621.20-3,017.12

Finding the Fourth Proportional to 10,412.52, 15,621.20 and 3,017.12

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Solution

The fourth proportional to 10,412.52, 15,621.20 and 3,017.12 is: 4,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.52 : 15,621.20 = 3,017.12 : x
  2. Step 2: Convert to fraction form
    10,412.52/15,621.20 = 3,017.12/x
  3. Step 3: Cross multiply
    10,412.52x = 15,621.20 × 3,017.12
  4. Step 4: Simplify right side
    10,412.52x = 47,131,034.94
  5. Step 5: Solve for x
    x = 47,131,034.94/10,412.52
  6. Step 6: Final answer
    x = 4,526.38

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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.