Home / 18,851.12-26,012.58-10,895.90

Finding the Fourth Proportional to 18,851.12, 26,012.58 and 10,895.90

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Solution

The fourth proportional to 18,851.12, 26,012.58 and 10,895.90 is: 15,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851.12 : 26,012.58 = 10,895.90 : x
  2. Step 2: Convert to fraction form
    18,851.12/26,012.58 = 10,895.90/x
  3. Step 3: Cross multiply
    18,851.12x = 26,012.58 × 10,895.90
  4. Step 4: Simplify right side
    18,851.12x = 283,430,470.42
  5. Step 5: Solve for x
    x = 283,430,470.42/18,851.12
  6. Step 6: Final answer
    x = 15,035.21

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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.