Home / 10,095.03-13,884.78-8,101.21

Finding the Fourth Proportional to 10,095.03, 13,884.78 and 8,101.21

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Solution

The fourth proportional to 10,095.03, 13,884.78 and 8,101.21 is: 11,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.03 : 13,884.78 = 8,101.21 : x
  2. Step 2: Convert to fraction form
    10,095.03/13,884.78 = 8,101.21/x
  3. Step 3: Cross multiply
    10,095.03x = 13,884.78 × 8,101.21
  4. Step 4: Simplify right side
    10,095.03x = 112,483,522.92
  5. Step 5: Solve for x
    x = 112,483,522.92/10,095.03
  6. Step 6: Final answer
    x = 11,142.47

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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.