Home / 18,865.12-26,034.02-11,795.64

Finding the Fourth Proportional to 18,865.12, 26,034.02 and 11,795.64

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Solution

The fourth proportional to 18,865.12, 26,034.02 and 11,795.64 is: 16,278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,865.12 : 26,034.02 = 11,795.64 : x
  2. Step 2: Convert to fraction form
    18,865.12/26,034.02 = 11,795.64/x
  3. Step 3: Cross multiply
    18,865.12x = 26,034.02 × 11,795.64
  4. Step 4: Simplify right side
    18,865.12x = 307,087,927.67
  5. Step 5: Solve for x
    x = 307,087,927.67/18,865.12
  6. Step 6: Final answer
    x = 16,278.08

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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.