Home / 10,909.26-16,352.69-6,219.68

Finding the Fourth Proportional to 10,909.26, 16,352.69 and 6,219.68

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Solution

The fourth proportional to 10,909.26, 16,352.69 and 6,219.68 is: 9,323.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.26 : 16,352.69 = 6,219.68 : x
  2. Step 2: Convert to fraction form
    10,909.26/16,352.69 = 6,219.68/x
  3. Step 3: Cross multiply
    10,909.26x = 16,352.69 × 6,219.68
  4. Step 4: Simplify right side
    10,909.26x = 101,708,386.08
  5. Step 5: Solve for x
    x = 101,708,386.08/10,909.26
  6. Step 6: Final answer
    x = 9,323.12

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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.