Home / 9,686.12-13,367.88-5,911.52

Finding the Fourth Proportional to 9,686.12, 13,367.88 and 5,911.52

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Solution

The fourth proportional to 9,686.12, 13,367.88 and 5,911.52 is: 8,158.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.12 : 13,367.88 = 5,911.52 : x
  2. Step 2: Convert to fraction form
    9,686.12/13,367.88 = 5,911.52/x
  3. Step 3: Cross multiply
    9,686.12x = 13,367.88 × 5,911.52
  4. Step 4: Simplify right side
    9,686.12x = 79,024,489.98
  5. Step 5: Solve for x
    x = 79,024,489.98/9,686.12
  6. Step 6: Final answer
    x = 8,158.53

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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.