Home / 18,109.34-24,989.85-10,556.90

Finding the Fourth Proportional to 18,109.34, 24,989.85 and 10,556.90

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Solution

The fourth proportional to 18,109.34, 24,989.85 and 10,556.90 is: 14,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.34 : 24,989.85 = 10,556.90 : x
  2. Step 2: Convert to fraction form
    18,109.34/24,989.85 = 10,556.90/x
  3. Step 3: Cross multiply
    18,109.34x = 24,989.85 × 10,556.90
  4. Step 4: Simplify right side
    18,109.34x = 263,815,316.23
  5. Step 5: Solve for x
    x = 263,815,316.23/18,109.34
  6. Step 6: Final answer
    x = 14,567.92

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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.