Home / 11,703.40-17,557.20-6,155.20

Finding the Fourth Proportional to 11,703.40, 17,557.20 and 6,155.20

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Solution

The fourth proportional to 11,703.40, 17,557.20 and 6,155.20 is: 9,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,703.40 : 17,557.20 = 6,155.20 : x
  2. Step 2: Convert to fraction form
    11,703.40/17,557.20 = 6,155.20/x
  3. Step 3: Cross multiply
    11,703.40x = 17,557.20 × 6,155.20
  4. Step 4: Simplify right side
    11,703.40x = 108,068,077.44
  5. Step 5: Solve for x
    x = 108,068,077.44/11,703.40
  6. Step 6: Final answer
    x = 9,233.90

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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.