Home / 16,621.91-22,935.10-9,908.16

Finding the Fourth Proportional to 16,621.91, 22,935.10 and 9,908.16

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Solution

The fourth proportional to 16,621.91, 22,935.10 and 9,908.16 is: 13,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.91 : 22,935.10 = 9,908.16 : x
  2. Step 2: Convert to fraction form
    16,621.91/22,935.10 = 9,908.16/x
  3. Step 3: Cross multiply
    16,621.91x = 22,935.10 × 9,908.16
  4. Step 4: Simplify right side
    16,621.91x = 227,244,677.23
  5. Step 5: Solve for x
    x = 227,244,677.23/16,621.91
  6. Step 6: Final answer
    x = 13,671.39

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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.