Home / 10,261.26-15,391.89-2,470.08

Finding the Fourth Proportional to 10,261.26, 15,391.89 and 2,470.08

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Solution

The fourth proportional to 10,261.26, 15,391.89 and 2,470.08 is: 3,705.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.26 : 15,391.89 = 2,470.08 : x
  2. Step 2: Convert to fraction form
    10,261.26/15,391.89 = 2,470.08/x
  3. Step 3: Cross multiply
    10,261.26x = 15,391.89 × 2,470.08
  4. Step 4: Simplify right side
    10,261.26x = 38,019,199.65
  5. Step 5: Solve for x
    x = 38,019,199.65/10,261.26
  6. Step 6: Final answer
    x = 3,705.12

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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.