Home / 11,854.36-17,778.18-4,458.16

Finding the Fourth Proportional to 11,854.36, 17,778.18 and 4,458.16

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Solution

The fourth proportional to 11,854.36, 17,778.18 and 4,458.16 is: 6,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.36 : 17,778.18 = 4,458.16 : x
  2. Step 2: Convert to fraction form
    11,854.36/17,778.18 = 4,458.16/x
  3. Step 3: Cross multiply
    11,854.36x = 17,778.18 × 4,458.16
  4. Step 4: Simplify right side
    11,854.36x = 79,257,970.95
  5. Step 5: Solve for x
    x = 79,257,970.95/11,854.36
  6. Step 6: Final answer
    x = 6,685.98

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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.