Home / 13,125.96-19,685.52-8,965.26

Finding the Fourth Proportional to 13,125.96, 19,685.52 and 8,965.26

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Solution

The fourth proportional to 13,125.96, 19,685.52 and 8,965.26 is: 13,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.96 : 19,685.52 = 8,965.26 : x
  2. Step 2: Convert to fraction form
    13,125.96/19,685.52 = 8,965.26/x
  3. Step 3: Cross multiply
    13,125.96x = 19,685.52 × 8,965.26
  4. Step 4: Simplify right side
    13,125.96x = 176,485,805.04
  5. Step 5: Solve for x
    x = 176,485,805.04/13,125.96
  6. Step 6: Final answer
    x = 13,445.55

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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.