Home / 13,787.75-19,027.19-7,500.17

Finding the Fourth Proportional to 13,787.75, 19,027.19 and 7,500.17

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Solution

The fourth proportional to 13,787.75, 19,027.19 and 7,500.17 is: 10,350.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.75 : 19,027.19 = 7,500.17 : x
  2. Step 2: Convert to fraction form
    13,787.75/19,027.19 = 7,500.17/x
  3. Step 3: Cross multiply
    13,787.75x = 19,027.19 × 7,500.17
  4. Step 4: Simplify right side
    13,787.75x = 142,707,159.62
  5. Step 5: Solve for x
    x = 142,707,159.62/13,787.75
  6. Step 6: Final answer
    x = 10,350.29

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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.