Home / 13,043.60-17,999.56-8,006.80

Finding the Fourth Proportional to 13,043.60, 17,999.56 and 8,006.80

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Solution

The fourth proportional to 13,043.60, 17,999.56 and 8,006.80 is: 11,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.60 : 17,999.56 = 8,006.80 : x
  2. Step 2: Convert to fraction form
    13,043.60/17,999.56 = 8,006.80/x
  3. Step 3: Cross multiply
    13,043.60x = 17,999.56 × 8,006.80
  4. Step 4: Simplify right side
    13,043.60x = 144,118,877.01
  5. Step 5: Solve for x
    x = 144,118,877.01/13,043.60
  6. Step 6: Final answer
    x = 11,049.01

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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.