Home / 13,787.70-19,026.92-7,500.08

Finding the Fourth Proportional to 13,787.70, 19,026.92 and 7,500.08

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Solution

The fourth proportional to 13,787.70, 19,026.92 and 7,500.08 is: 10,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787.70 : 19,026.92 = 7,500.08 : x
  2. Step 2: Convert to fraction form
    13,787.70/19,026.92 = 7,500.08/x
  3. Step 3: Cross multiply
    13,787.70x = 19,026.92 × 7,500.08
  4. Step 4: Simplify right side
    13,787.70x = 142,703,422.15
  5. Step 5: Solve for x
    x = 142,703,422.15/13,787.70
  6. Step 6: Final answer
    x = 10,350.05

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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.