Home / 11,854.12-17,787.32-5,285.04

Finding the Fourth Proportional to 11,854.12, 17,787.32 and 5,285.04

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Solution

The fourth proportional to 11,854.12, 17,787.32 and 5,285.04 is: 7,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.12 : 17,787.32 = 5,285.04 : x
  2. Step 2: Convert to fraction form
    11,854.12/17,787.32 = 5,285.04/x
  3. Step 3: Cross multiply
    11,854.12x = 17,787.32 × 5,285.04
  4. Step 4: Simplify right side
    11,854.12x = 94,006,697.69
  5. Step 5: Solve for x
    x = 94,006,697.69/11,854.12
  6. Step 6: Final answer
    x = 7,930.30

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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.