Home / 13,091.60-19,598.82-8,641.06

Finding the Fourth Proportional to 13,091.60, 19,598.82 and 8,641.06

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Solution

The fourth proportional to 13,091.60, 19,598.82 and 8,641.06 is: 12,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,091.60 : 19,598.82 = 8,641.06 : x
  2. Step 2: Convert to fraction form
    13,091.60/19,598.82 = 8,641.06/x
  3. Step 3: Cross multiply
    13,091.60x = 19,598.82 × 8,641.06
  4. Step 4: Simplify right side
    13,091.60x = 169,354,579.55
  5. Step 5: Solve for x
    x = 169,354,579.55/13,091.60
  6. Step 6: Final answer
    x = 12,936.13

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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.