Home / 21,166.34-31,747.08-5,585.18

Finding the Fourth Proportional to 21,166.34, 31,747.08 and 5,585.18

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Solution

The fourth proportional to 21,166.34, 31,747.08 and 5,585.18 is: 8,377.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.34 : 31,747.08 = 5,585.18 : x
  2. Step 2: Convert to fraction form
    21,166.34/31,747.08 = 5,585.18/x
  3. Step 3: Cross multiply
    21,166.34x = 31,747.08 × 5,585.18
  4. Step 4: Simplify right side
    21,166.34x = 177,313,156.27
  5. Step 5: Solve for x
    x = 177,313,156.27/21,166.34
  6. Step 6: Final answer
    x = 8,377.13

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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.