Home / 11,100.16-15,317.76-6,131.84

Finding the Fourth Proportional to 11,100.16, 15,317.76 and 6,131.84

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Solution

The fourth proportional to 11,100.16, 15,317.76 and 6,131.84 is: 8,461.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.16 : 15,317.76 = 6,131.84 : x
  2. Step 2: Convert to fraction form
    11,100.16/15,317.76 = 6,131.84/x
  3. Step 3: Cross multiply
    11,100.16x = 15,317.76 × 6,131.84
  4. Step 4: Simplify right side
    11,100.16x = 93,926,053.48
  5. Step 5: Solve for x
    x = 93,926,053.48/11,100.16
  6. Step 6: Final answer
    x = 8,461.68

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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.