Home / 11,645.13-16,069.78-6,339.93

Finding the Fourth Proportional to 11,645.13, 16,069.78 and 6,339.93

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Solution

The fourth proportional to 11,645.13, 16,069.78 and 6,339.93 is: 8,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.13 : 16,069.78 = 6,339.93 : x
  2. Step 2: Convert to fraction form
    11,645.13/16,069.78 = 6,339.93/x
  3. Step 3: Cross multiply
    11,645.13x = 16,069.78 × 6,339.93
  4. Step 4: Simplify right side
    11,645.13x = 101,881,280.32
  5. Step 5: Solve for x
    x = 101,881,280.32/11,645.13
  6. Step 6: Final answer
    x = 8,748.83

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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.