Home / 9,819.18-13,550.41-5,342.95

Finding the Fourth Proportional to 9,819.18, 13,550.41 and 5,342.95

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Solution

The fourth proportional to 9,819.18, 13,550.41 and 5,342.95 is: 7,373.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.18 : 13,550.41 = 5,342.95 : x
  2. Step 2: Convert to fraction form
    9,819.18/13,550.41 = 5,342.95/x
  3. Step 3: Cross multiply
    9,819.18x = 13,550.41 × 5,342.95
  4. Step 4: Simplify right side
    9,819.18x = 72,399,163.11
  5. Step 5: Solve for x
    x = 72,399,163.11/9,819.18
  6. Step 6: Final answer
    x = 7,373.24

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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.