Home / 16,221.64-24,332.43-3,909.64

Finding the Fourth Proportional to 16,221.64, 24,332.43 and 3,909.64

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Solution

The fourth proportional to 16,221.64, 24,332.43 and 3,909.64 is: 5,864.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.64 : 24,332.43 = 3,909.64 : x
  2. Step 2: Convert to fraction form
    16,221.64/24,332.43 = 3,909.64/x
  3. Step 3: Cross multiply
    16,221.64x = 24,332.43 × 3,909.64
  4. Step 4: Simplify right side
    16,221.64x = 95,131,041.63
  5. Step 5: Solve for x
    x = 95,131,041.63/16,221.64
  6. Step 6: Final answer
    x = 5,864.45

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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.