Home / 12,034.90-18,085.56-10,511.38

Finding the Fourth Proportional to 12,034.90, 18,085.56 and 10,511.38

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Solution

The fourth proportional to 12,034.90, 18,085.56 and 10,511.38 is: 15,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.90 : 18,085.56 = 10,511.38 : x
  2. Step 2: Convert to fraction form
    12,034.90/18,085.56 = 10,511.38/x
  3. Step 3: Cross multiply
    12,034.90x = 18,085.56 × 10,511.38
  4. Step 4: Simplify right side
    12,034.90x = 190,104,193.67
  5. Step 5: Solve for x
    x = 190,104,193.67/12,034.90
  6. Step 6: Final answer
    x = 15,796.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.