Home / 10,556.70-15,833.86-2,659.21

Finding the Fourth Proportional to 10,556.70, 15,833.86 and 2,659.21

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Solution

The fourth proportional to 10,556.70, 15,833.86 and 2,659.21 is: 3,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.70 : 15,833.86 = 2,659.21 : x
  2. Step 2: Convert to fraction form
    10,556.70/15,833.86 = 2,659.21/x
  3. Step 3: Cross multiply
    10,556.70x = 15,833.86 × 2,659.21
  4. Step 4: Simplify right side
    10,556.70x = 42,105,616.64
  5. Step 5: Solve for x
    x = 42,105,616.64/10,556.70
  6. Step 6: Final answer
    x = 3,988.52

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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.