Home / 22,197.71-30,632.35-12,125.89

Finding the Fourth Proportional to 22,197.71, 30,632.35 and 12,125.89

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Solution

The fourth proportional to 22,197.71, 30,632.35 and 12,125.89 is: 16,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,197.71 : 30,632.35 = 12,125.89 : x
  2. Step 2: Convert to fraction form
    22,197.71/30,632.35 = 12,125.89/x
  3. Step 3: Cross multiply
    22,197.71x = 30,632.35 × 12,125.89
  4. Step 4: Simplify right side
    22,197.71x = 371,444,528.28
  5. Step 5: Solve for x
    x = 371,444,528.28/22,197.71
  6. Step 6: Final answer
    x = 16,733.46

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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.