Home / 10,311.24-15,452.88-4,752.36

Finding the Fourth Proportional to 10,311.24, 15,452.88 and 4,752.36

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Solution

The fourth proportional to 10,311.24, 15,452.88 and 4,752.36 is: 7,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.24 : 15,452.88 = 4,752.36 : x
  2. Step 2: Convert to fraction form
    10,311.24/15,452.88 = 4,752.36/x
  3. Step 3: Cross multiply
    10,311.24x = 15,452.88 × 4,752.36
  4. Step 4: Simplify right side
    10,311.24x = 73,437,648.80
  5. Step 5: Solve for x
    x = 73,437,648.80/10,311.24
  6. Step 6: Final answer
    x = 7,122.10

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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.