Home / 11,412.65-15,751.26-6,937.80

Finding the Fourth Proportional to 11,412.65, 15,751.26 and 6,937.80

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Solution

The fourth proportional to 11,412.65, 15,751.26 and 6,937.80 is: 9,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,412.65 : 15,751.26 = 6,937.80 : x
  2. Step 2: Convert to fraction form
    11,412.65/15,751.26 = 6,937.80/x
  3. Step 3: Cross multiply
    11,412.65x = 15,751.26 × 6,937.80
  4. Step 4: Simplify right side
    11,412.65x = 109,279,121.16
  5. Step 5: Solve for x
    x = 109,279,121.16/11,412.65
  6. Step 6: Final answer
    x = 9,575.27

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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.