Home / 11,377.92-15,700.56-6,662.16

Finding the Fourth Proportional to 11,377.92, 15,700.56 and 6,662.16

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Solution

The fourth proportional to 11,377.92, 15,700.56 and 6,662.16 is: 9,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,377.92 : 15,700.56 = 6,662.16 : x
  2. Step 2: Convert to fraction form
    11,377.92/15,700.56 = 6,662.16/x
  3. Step 3: Cross multiply
    11,377.92x = 15,700.56 × 6,662.16
  4. Step 4: Simplify right side
    11,377.92x = 104,599,642.81
  5. Step 5: Solve for x
    x = 104,599,642.81/11,377.92
  6. Step 6: Final answer
    x = 9,193.21

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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.