Home / 22,295.13-30,711.51-16,980.72

Finding the Fourth Proportional to 22,295.13, 30,711.51 and 16,980.72

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Solution

The fourth proportional to 22,295.13, 30,711.51 and 16,980.72 is: 23,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,295.13 : 30,711.51 = 16,980.72 : x
  2. Step 2: Convert to fraction form
    22,295.13/30,711.51 = 16,980.72/x
  3. Step 3: Cross multiply
    22,295.13x = 30,711.51 × 16,980.72
  4. Step 4: Simplify right side
    22,295.13x = 521,503,552.09
  5. Step 5: Solve for x
    x = 521,503,552.09/22,295.13
  6. Step 6: Final answer
    x = 23,390.92

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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.