Home / 20,758.65-31,134.61-5,964.21

Finding the Fourth Proportional to 20,758.65, 31,134.61 and 5,964.21

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Solution

The fourth proportional to 20,758.65, 31,134.61 and 5,964.21 is: 8,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,758.65 : 31,134.61 = 5,964.21 : x
  2. Step 2: Convert to fraction form
    20,758.65/31,134.61 = 5,964.21/x
  3. Step 3: Cross multiply
    20,758.65x = 31,134.61 × 5,964.21
  4. Step 4: Simplify right side
    20,758.65x = 185,693,352.31
  5. Step 5: Solve for x
    x = 185,693,352.31/20,758.65
  6. Step 6: Final answer
    x = 8,945.35

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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.