Home / 13,637.46-18,820.68-8,333.29

Finding the Fourth Proportional to 13,637.46, 18,820.68 and 8,333.29

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Solution

The fourth proportional to 13,637.46, 18,820.68 and 8,333.29 is: 11,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.46 : 18,820.68 = 8,333.29 : x
  2. Step 2: Convert to fraction form
    13,637.46/18,820.68 = 8,333.29/x
  3. Step 3: Cross multiply
    13,637.46x = 18,820.68 × 8,333.29
  4. Step 4: Simplify right side
    13,637.46x = 156,838,184.44
  5. Step 5: Solve for x
    x = 156,838,184.44/13,637.46
  6. Step 6: Final answer
    x = 11,500.54

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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.