Home / 11,423.32-17,139.08-8,298.04

Finding the Fourth Proportional to 11,423.32, 17,139.08 and 8,298.04

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Solution

The fourth proportional to 11,423.32, 17,139.08 and 8,298.04 is: 12,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.32 : 17,139.08 = 8,298.04 : x
  2. Step 2: Convert to fraction form
    11,423.32/17,139.08 = 8,298.04/x
  3. Step 3: Cross multiply
    11,423.32x = 17,139.08 × 8,298.04
  4. Step 4: Simplify right side
    11,423.32x = 142,220,749.30
  5. Step 5: Solve for x
    x = 142,220,749.30/11,423.32
  6. Step 6: Final answer
    x = 12,450.03

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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.