Home / 11,157.14-15,395.87-6,376.13

Finding the Fourth Proportional to 11,157.14, 15,395.87 and 6,376.13

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Solution

The fourth proportional to 11,157.14, 15,395.87 and 6,376.13 is: 8,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.14 : 15,395.87 = 6,376.13 : x
  2. Step 2: Convert to fraction form
    11,157.14/15,395.87 = 6,376.13/x
  3. Step 3: Cross multiply
    11,157.14x = 15,395.87 × 6,376.13
  4. Step 4: Simplify right side
    11,157.14x = 98,166,123.01
  5. Step 5: Solve for x
    x = 98,166,123.01/11,157.14
  6. Step 6: Final answer
    x = 8,798.51

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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.