Home / 22,425.39-30,946.86-12,354.93

Finding the Fourth Proportional to 22,425.39, 30,946.86 and 12,354.93

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Solution

The fourth proportional to 22,425.39, 30,946.86 and 12,354.93 is: 17,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,425.39 : 30,946.86 = 12,354.93 : x
  2. Step 2: Convert to fraction form
    22,425.39/30,946.86 = 12,354.93/x
  3. Step 3: Cross multiply
    22,425.39x = 30,946.86 × 12,354.93
  4. Step 4: Simplify right side
    22,425.39x = 382,346,289.02
  5. Step 5: Solve for x
    x = 382,346,289.02/22,425.39
  6. Step 6: Final answer
    x = 17,049.71

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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.