Home / 13,787.59-19,016.68-8,747.46

Finding the Fourth Proportional to 13,787.59, 19,016.68 and 8,747.46

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Solution

The fourth proportional to 13,787.59, 19,016.68 and 8,747.46 is: 12,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.59 : 19,016.68 = 8,747.46 : x
  2. Step 2: Convert to fraction form
    13,787.59/19,016.68 = 8,747.46/x
  3. Step 3: Cross multiply
    13,787.59x = 19,016.68 × 8,747.46
  4. Step 4: Simplify right side
    13,787.59x = 166,347,647.63
  5. Step 5: Solve for x
    x = 166,347,647.63/13,787.59
  6. Step 6: Final answer
    x = 12,065.03

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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.