Home / 15,370.78-23,075.61-13,076.86

Finding the Fourth Proportional to 15,370.78, 23,075.61 and 13,076.86

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Solution

The fourth proportional to 15,370.78, 23,075.61 and 13,076.86 is: 19,631.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.78 : 23,075.61 = 13,076.86 : x
  2. Step 2: Convert to fraction form
    15,370.78/23,075.61 = 13,076.86/x
  3. Step 3: Cross multiply
    15,370.78x = 23,075.61 × 13,076.86
  4. Step 4: Simplify right side
    15,370.78x = 301,756,521.38
  5. Step 5: Solve for x
    x = 301,756,521.38/15,370.78
  6. Step 6: Final answer
    x = 19,631.83

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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.