Home / 10,659.39-15,990.54-3,637.51

Finding the Fourth Proportional to 10,659.39, 15,990.54 and 3,637.51

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Solution

The fourth proportional to 10,659.39, 15,990.54 and 3,637.51 is: 5,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.39 : 15,990.54 = 3,637.51 : x
  2. Step 2: Convert to fraction form
    10,659.39/15,990.54 = 3,637.51/x
  3. Step 3: Cross multiply
    10,659.39x = 15,990.54 × 3,637.51
  4. Step 4: Simplify right side
    10,659.39x = 58,165,730.97
  5. Step 5: Solve for x
    x = 58,165,730.97/10,659.39
  6. Step 6: Final answer
    x = 5,456.76

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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.