Home / 11,427.13-15,769.56-6,711.49

Finding the Fourth Proportional to 11,427.13, 15,769.56 and 6,711.49

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Solution

The fourth proportional to 11,427.13, 15,769.56 and 6,711.49 is: 9,261.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.13 : 15,769.56 = 6,711.49 : x
  2. Step 2: Convert to fraction form
    11,427.13/15,769.56 = 6,711.49/x
  3. Step 3: Cross multiply
    11,427.13x = 15,769.56 × 6,711.49
  4. Step 4: Simplify right side
    11,427.13x = 105,837,244.24
  5. Step 5: Solve for x
    x = 105,837,244.24/11,427.13
  6. Step 6: Final answer
    x = 9,261.93

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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.