Home / 11,357.40-17,017.20-8,233.50

Finding the Fourth Proportional to 11,357.40, 17,017.20 and 8,233.50

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Solution

The fourth proportional to 11,357.40, 17,017.20 and 8,233.50 is: 12,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,357.40 : 17,017.20 = 8,233.50 : x
  2. Step 2: Convert to fraction form
    11,357.40/17,017.20 = 8,233.50/x
  3. Step 3: Cross multiply
    11,357.40x = 17,017.20 × 8,233.50
  4. Step 4: Simplify right side
    11,357.40x = 140,111,116.20
  5. Step 5: Solve for x
    x = 140,111,116.20/11,357.40
  6. Step 6: Final answer
    x = 12,336.55

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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.