Home / 13,108.73-18,087.17-8,572.46

Finding the Fourth Proportional to 13,108.73, 18,087.17 and 8,572.46

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Solution

The fourth proportional to 13,108.73, 18,087.17 and 8,572.46 is: 11,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.73 : 18,087.17 = 8,572.46 : x
  2. Step 2: Convert to fraction form
    13,108.73/18,087.17 = 8,572.46/x
  3. Step 3: Cross multiply
    13,108.73x = 18,087.17 × 8,572.46
  4. Step 4: Simplify right side
    13,108.73x = 155,051,408.04
  5. Step 5: Solve for x
    x = 155,051,408.04/13,108.73
  6. Step 6: Final answer
    x = 11,828.11

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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.