Home / 15,123.78-22,686.75-4,030.44

Finding the Fourth Proportional to 15,123.78, 22,686.75 and 4,030.44

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Solution

The fourth proportional to 15,123.78, 22,686.75 and 4,030.44 is: 6,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.78 : 22,686.75 = 4,030.44 : x
  2. Step 2: Convert to fraction form
    15,123.78/22,686.75 = 4,030.44/x
  3. Step 3: Cross multiply
    15,123.78x = 22,686.75 × 4,030.44
  4. Step 4: Simplify right side
    15,123.78x = 91,437,584.67
  5. Step 5: Solve for x
    x = 91,437,584.67/15,123.78
  6. Step 6: Final answer
    x = 6,045.95

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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.