Home / 8,677.17-13,015.79-2,103.34

Finding the Fourth Proportional to 8,677.17, 13,015.79 and 2,103.34

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Solution

The fourth proportional to 8,677.17, 13,015.79 and 2,103.34 is: 3,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.17 : 13,015.79 = 2,103.34 : x
  2. Step 2: Convert to fraction form
    8,677.17/13,015.79 = 2,103.34/x
  3. Step 3: Cross multiply
    8,677.17x = 13,015.79 × 2,103.34
  4. Step 4: Simplify right side
    8,677.17x = 27,376,631.74
  5. Step 5: Solve for x
    x = 27,376,631.74/8,677.17
  6. Step 6: Final answer
    x = 3,155.02

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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.