Home / 14,986.60-22,452.90-7,178.20

Finding the Fourth Proportional to 14,986.60, 22,452.90 and 7,178.20

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Solution

The fourth proportional to 14,986.60, 22,452.90 and 7,178.20 is: 10,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.60 : 22,452.90 = 7,178.20 : x
  2. Step 2: Convert to fraction form
    14,986.60/22,452.90 = 7,178.20/x
  3. Step 3: Cross multiply
    14,986.60x = 22,452.90 × 7,178.20
  4. Step 4: Simplify right side
    14,986.60x = 161,171,406.78
  5. Step 5: Solve for x
    x = 161,171,406.78/14,986.60
  6. Step 6: Final answer
    x = 10,754.37

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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.