Home / 12,452.13-18,686.30-4,660.88

Finding the Fourth Proportional to 12,452.13, 18,686.30 and 4,660.88

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Solution

The fourth proportional to 12,452.13, 18,686.30 and 4,660.88 is: 6,994.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.13 : 18,686.30 = 4,660.88 : x
  2. Step 2: Convert to fraction form
    12,452.13/18,686.30 = 4,660.88/x
  3. Step 3: Cross multiply
    12,452.13x = 18,686.30 × 4,660.88
  4. Step 4: Simplify right side
    12,452.13x = 87,094,485.21
  5. Step 5: Solve for x
    x = 87,094,485.21/12,452.13
  6. Step 6: Final answer
    x = 6,994.34

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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.