Home / 16,621.85-22,935.02-9,908.10

Finding the Fourth Proportional to 16,621.85, 22,935.02 and 9,908.10

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Solution

The fourth proportional to 16,621.85, 22,935.02 and 9,908.10 is: 13,671.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.85 : 22,935.02 = 9,908.10 : x
  2. Step 2: Convert to fraction form
    16,621.85/22,935.02 = 9,908.10/x
  3. Step 3: Cross multiply
    16,621.85x = 22,935.02 × 9,908.10
  4. Step 4: Simplify right side
    16,621.85x = 227,242,422.12
  5. Step 5: Solve for x
    x = 227,242,422.12/16,621.85
  6. Step 6: Final answer
    x = 13,671.31

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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.