Home / 9,261.14-12,780.27-5,012.11

Finding the Fourth Proportional to 9,261.14, 12,780.27 and 5,012.11

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Solution

The fourth proportional to 9,261.14, 12,780.27 and 5,012.11 is: 6,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.14 : 12,780.27 = 5,012.11 : x
  2. Step 2: Convert to fraction form
    9,261.14/12,780.27 = 5,012.11/x
  3. Step 3: Cross multiply
    9,261.14x = 12,780.27 × 5,012.11
  4. Step 4: Simplify right side
    9,261.14x = 64,056,087.12
  5. Step 5: Solve for x
    x = 64,056,087.12/9,261.14
  6. Step 6: Final answer
    x = 6,916.65

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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.