Home / 15,536.80-23,312.40-8,149.60

Finding the Fourth Proportional to 15,536.80, 23,312.40 and 8,149.60

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Solution

The fourth proportional to 15,536.80, 23,312.40 and 8,149.60 is: 12,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.80 : 23,312.40 = 8,149.60 : x
  2. Step 2: Convert to fraction form
    15,536.80/23,312.40 = 8,149.60/x
  3. Step 3: Cross multiply
    15,536.80x = 23,312.40 × 8,149.60
  4. Step 4: Simplify right side
    15,536.80x = 189,986,735.04
  5. Step 5: Solve for x
    x = 189,986,735.04/15,536.80
  6. Step 6: Final answer
    x = 12,228.18

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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.