Home / 18,109.28-24,993.84-10,556.80

Finding the Fourth Proportional to 18,109.28, 24,993.84 and 10,556.80

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Solution

The fourth proportional to 18,109.28, 24,993.84 and 10,556.80 is: 14,570.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.28 : 24,993.84 = 10,556.80 : x
  2. Step 2: Convert to fraction form
    18,109.28/24,993.84 = 10,556.80/x
  3. Step 3: Cross multiply
    18,109.28x = 24,993.84 × 10,556.80
  4. Step 4: Simplify right side
    18,109.28x = 263,854,970.11
  5. Step 5: Solve for x
    x = 263,854,970.11/18,109.28
  6. Step 6: Final answer
    x = 14,570.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.