Home / 22,946.11-31,684.31-18,697.80

Finding the Fourth Proportional to 22,946.11, 31,684.31 and 18,697.80

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Solution

The fourth proportional to 22,946.11, 31,684.31 and 18,697.80 is: 25,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,946.11 : 31,684.31 = 18,697.80 : x
  2. Step 2: Convert to fraction form
    22,946.11/31,684.31 = 18,697.80/x
  3. Step 3: Cross multiply
    22,946.11x = 31,684.31 × 18,697.80
  4. Step 4: Simplify right side
    22,946.11x = 592,426,891.52
  5. Step 5: Solve for x
    x = 592,426,891.52/22,946.11
  6. Step 6: Final answer
    x = 25,818.18

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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.