Home / 16,376.12-22,601.78-9,663.41

Finding the Fourth Proportional to 16,376.12, 22,601.78 and 9,663.41

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Solution

The fourth proportional to 16,376.12, 22,601.78 and 9,663.41 is: 13,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,376.12 : 22,601.78 = 9,663.41 : x
  2. Step 2: Convert to fraction form
    16,376.12/22,601.78 = 9,663.41/x
  3. Step 3: Cross multiply
    16,376.12x = 22,601.78 × 9,663.41
  4. Step 4: Simplify right side
    16,376.12x = 218,410,266.87
  5. Step 5: Solve for x
    x = 218,410,266.87/16,376.12
  6. Step 6: Final answer
    x = 13,337.12

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1.5x scale

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.