Home / 20,968.03-31,445.29-6,924.79

Finding the Fourth Proportional to 20,968.03, 31,445.29 and 6,924.79

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Solution

The fourth proportional to 20,968.03, 31,445.29 and 6,924.79 is: 10,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,968.03 : 31,445.29 = 6,924.79 : x
  2. Step 2: Convert to fraction form
    20,968.03/31,445.29 = 6,924.79/x
  3. Step 3: Cross multiply
    20,968.03x = 31,445.29 × 6,924.79
  4. Step 4: Simplify right side
    20,968.03x = 217,752,029.74
  5. Step 5: Solve for x
    x = 217,752,029.74/20,968.03
  6. Step 6: Final answer
    x = 10,384.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.