Home / 10,977.32-15,148.56-6,261.68

Finding the Fourth Proportional to 10,977.32, 15,148.56 and 6,261.68

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Solution

The fourth proportional to 10,977.32, 15,148.56 and 6,261.68 is: 8,641.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.32 : 15,148.56 = 6,261.68 : x
  2. Step 2: Convert to fraction form
    10,977.32/15,148.56 = 6,261.68/x
  3. Step 3: Cross multiply
    10,977.32x = 15,148.56 × 6,261.68
  4. Step 4: Simplify right side
    10,977.32x = 94,855,435.18
  5. Step 5: Solve for x
    x = 94,855,435.18/10,977.32
  6. Step 6: Final answer
    x = 8,641.04

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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.