Home / 12,016.20-18,024.36-5,434.68

Finding the Fourth Proportional to 12,016.20, 18,024.36 and 5,434.68

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Solution

The fourth proportional to 12,016.20, 18,024.36 and 5,434.68 is: 8,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,016.20 : 18,024.36 = 5,434.68 : x
  2. Step 2: Convert to fraction form
    12,016.20/18,024.36 = 5,434.68/x
  3. Step 3: Cross multiply
    12,016.20x = 18,024.36 × 5,434.68
  4. Step 4: Simplify right side
    12,016.20x = 97,956,628.80
  5. Step 5: Solve for x
    x = 97,956,628.80/12,016.20
  6. Step 6: Final answer
    x = 8,152.05

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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.