Home / 13,446.80-20,160.60-6,045.20

Finding the Fourth Proportional to 13,446.80, 20,160.60 and 6,045.20

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Solution

The fourth proportional to 13,446.80, 20,160.60 and 6,045.20 is: 9,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.80 : 20,160.60 = 6,045.20 : x
  2. Step 2: Convert to fraction form
    13,446.80/20,160.60 = 6,045.20/x
  3. Step 3: Cross multiply
    13,446.80x = 20,160.60 × 6,045.20
  4. Step 4: Simplify right side
    13,446.80x = 121,874,859.12
  5. Step 5: Solve for x
    x = 121,874,859.12/13,446.80
  6. Step 6: Final answer
    x = 9,063.48

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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.