Home / 9,520.48-13,135.62-5,543.56

Finding the Fourth Proportional to 9,520.48, 13,135.62 and 5,543.56

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Solution

The fourth proportional to 9,520.48, 13,135.62 and 5,543.56 is: 7,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,520.48 : 13,135.62 = 5,543.56 : x
  2. Step 2: Convert to fraction form
    9,520.48/13,135.62 = 5,543.56/x
  3. Step 3: Cross multiply
    9,520.48x = 13,135.62 × 5,543.56
  4. Step 4: Simplify right side
    9,520.48x = 72,818,097.61
  5. Step 5: Solve for x
    x = 72,818,097.61/9,520.48
  6. Step 6: Final answer
    x = 7,648.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.