Home / 15,919.52-23,847.77-10,909.59

Finding the Fourth Proportional to 15,919.52, 23,847.77 and 10,909.59

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Solution

The fourth proportional to 15,919.52, 23,847.77 and 10,909.59 is: 16,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.52 : 23,847.77 = 10,909.59 : x
  2. Step 2: Convert to fraction form
    15,919.52/23,847.77 = 10,909.59/x
  3. Step 3: Cross multiply
    15,919.52x = 23,847.77 × 10,909.59
  4. Step 4: Simplify right side
    15,919.52x = 260,169,338.57
  5. Step 5: Solve for x
    x = 260,169,338.57/15,919.52
  6. Step 6: Final answer
    x = 16,342.79

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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.