Home / 11,335.90-17,003.58-3,543.70

Finding the Fourth Proportional to 11,335.90, 17,003.58 and 3,543.70

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Solution

The fourth proportional to 11,335.90, 17,003.58 and 3,543.70 is: 5,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.90 : 17,003.58 = 3,543.70 : x
  2. Step 2: Convert to fraction form
    11,335.90/17,003.58 = 3,543.70/x
  3. Step 3: Cross multiply
    11,335.90x = 17,003.58 × 3,543.70
  4. Step 4: Simplify right side
    11,335.90x = 60,255,586.45
  5. Step 5: Solve for x
    x = 60,255,586.45/11,335.90
  6. Step 6: Final answer
    x = 5,315.47

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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.