Home / 22,403.04-30,909.87-14,449.92

Finding the Fourth Proportional to 22,403.04, 30,909.87 and 14,449.92

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Solution

The fourth proportional to 22,403.04, 30,909.87 and 14,449.92 is: 19,936.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.04 : 30,909.87 = 14,449.92 : x
  2. Step 2: Convert to fraction form
    22,403.04/30,909.87 = 14,449.92/x
  3. Step 3: Cross multiply
    22,403.04x = 30,909.87 × 14,449.92
  4. Step 4: Simplify right side
    22,403.04x = 446,645,148.71
  5. Step 5: Solve for x
    x = 446,645,148.71/22,403.04
  6. Step 6: Final answer
    x = 19,936.81

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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.