Home / 10,879.68-15,050.70-10,486.02

Finding the Fourth Proportional to 10,879.68, 15,050.70 and 10,486.02

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Solution

The fourth proportional to 10,879.68, 15,050.70 and 10,486.02 is: 14,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,879.68 : 15,050.70 = 10,486.02 : x
  2. Step 2: Convert to fraction form
    10,879.68/15,050.70 = 10,486.02/x
  3. Step 3: Cross multiply
    10,879.68x = 15,050.70 × 10,486.02
  4. Step 4: Simplify right side
    10,879.68x = 157,821,941.21
  5. Step 5: Solve for x
    x = 157,821,941.21/10,879.68
  6. Step 6: Final answer
    x = 14,506.12

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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.