Home / 13,637.35-20,440.85-5,737.50

Finding the Fourth Proportional to 13,637.35, 20,440.85 and 5,737.50

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Solution

The fourth proportional to 13,637.35, 20,440.85 and 5,737.50 is: 8,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,637.35 : 20,440.85 = 5,737.50 : x
  2. Step 2: Convert to fraction form
    13,637.35/20,440.85 = 5,737.50/x
  3. Step 3: Cross multiply
    13,637.35x = 20,440.85 × 5,737.50
  4. Step 4: Simplify right side
    13,637.35x = 117,279,376.88
  5. Step 5: Solve for x
    x = 117,279,376.88/13,637.35
  6. Step 6: Final answer
    x = 8,599.87

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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.