Home / 9,787.12-14,699.21-6,115.12

Finding the Fourth Proportional to 9,787.12, 14,699.21 and 6,115.12

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Solution

The fourth proportional to 9,787.12, 14,699.21 and 6,115.12 is: 9,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.12 : 14,699.21 = 6,115.12 : x
  2. Step 2: Convert to fraction form
    9,787.12/14,699.21 = 6,115.12/x
  3. Step 3: Cross multiply
    9,787.12x = 14,699.21 × 6,115.12
  4. Step 4: Simplify right side
    9,787.12x = 89,887,365.73
  5. Step 5: Solve for x
    x = 89,887,365.73/9,787.12
  6. Step 6: Final answer
    x = 9,184.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.