Home / 16,375.40-22,603.02-9,660.50

Finding the Fourth Proportional to 16,375.40, 22,603.02 and 9,660.50

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Solution

The fourth proportional to 16,375.40, 22,603.02 and 9,660.50 is: 13,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,375.40 : 22,603.02 = 9,660.50 : x
  2. Step 2: Convert to fraction form
    16,375.40/22,603.02 = 9,660.50/x
  3. Step 3: Cross multiply
    16,375.40x = 22,603.02 × 9,660.50
  4. Step 4: Simplify right side
    16,375.40x = 218,356,474.71
  5. Step 5: Solve for x
    x = 218,356,474.71/16,375.40
  6. Step 6: Final answer
    x = 13,334.42

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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.