Home / 13,487.84-18,616.20-8,763.92

Finding the Fourth Proportional to 13,487.84, 18,616.20 and 8,763.92

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Solution

The fourth proportional to 13,487.84, 18,616.20 and 8,763.92 is: 12,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.84 : 18,616.20 = 8,763.92 : x
  2. Step 2: Convert to fraction form
    13,487.84/18,616.20 = 8,763.92/x
  3. Step 3: Cross multiply
    13,487.84x = 18,616.20 × 8,763.92
  4. Step 4: Simplify right side
    13,487.84x = 163,150,887.50
  5. Step 5: Solve for x
    x = 163,150,887.50/13,487.84
  6. Step 6: Final answer
    x = 12,096.15

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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.