Home / 12,150.28-16,765.14-7,114.24

Finding the Fourth Proportional to 12,150.28, 16,765.14 and 7,114.24

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Solution

The fourth proportional to 12,150.28, 16,765.14 and 7,114.24 is: 9,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.28 : 16,765.14 = 7,114.24 : x
  2. Step 2: Convert to fraction form
    12,150.28/16,765.14 = 7,114.24/x
  3. Step 3: Cross multiply
    12,150.28x = 16,765.14 × 7,114.24
  4. Step 4: Simplify right side
    12,150.28x = 119,271,229.59
  5. Step 5: Solve for x
    x = 119,271,229.59/12,150.28
  6. Step 6: Final answer
    x = 9,816.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.