Home / 13,283.61-18,334.80-8,244.87

Finding the Fourth Proportional to 13,283.61, 18,334.80 and 8,244.87

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Solution

The fourth proportional to 13,283.61, 18,334.80 and 8,244.87 is: 11,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.61 : 18,334.80 = 8,244.87 : x
  2. Step 2: Convert to fraction form
    13,283.61/18,334.80 = 8,244.87/x
  3. Step 3: Cross multiply
    13,283.61x = 18,334.80 × 8,244.87
  4. Step 4: Simplify right side
    13,283.61x = 151,168,042.48
  5. Step 5: Solve for x
    x = 151,168,042.48/13,283.61
  6. Step 6: Final answer
    x = 11,380.04

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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.