Home / 10,659.26-15,990.35-3,637.39

Finding the Fourth Proportional to 10,659.26, 15,990.35 and 3,637.39

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Solution

The fourth proportional to 10,659.26, 15,990.35 and 3,637.39 is: 5,456.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.26 : 15,990.35 = 3,637.39 : x
  2. Step 2: Convert to fraction form
    10,659.26/15,990.35 = 3,637.39/x
  3. Step 3: Cross multiply
    10,659.26x = 15,990.35 × 3,637.39
  4. Step 4: Simplify right side
    10,659.26x = 58,163,139.19
  5. Step 5: Solve for x
    x = 58,163,139.19/10,659.26
  6. Step 6: Final answer
    x = 5,456.58

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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.