Home / 11,424.06-15,763.53-6,387.66

Finding the Fourth Proportional to 11,424.06, 15,763.53 and 6,387.66

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Solution

The fourth proportional to 11,424.06, 15,763.53 and 6,387.66 is: 8,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.06 : 15,763.53 = 6,387.66 : x
  2. Step 2: Convert to fraction form
    11,424.06/15,763.53 = 6,387.66/x
  3. Step 3: Cross multiply
    11,424.06x = 15,763.53 × 6,387.66
  4. Step 4: Simplify right side
    11,424.06x = 100,692,070.04
  5. Step 5: Solve for x
    x = 100,692,070.04/11,424.06
  6. Step 6: Final answer
    x = 8,814.04

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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.