Home / 16,621.68-22,935.09-9,907.18

Finding the Fourth Proportional to 16,621.68, 22,935.09 and 9,907.18

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Solution

The fourth proportional to 16,621.68, 22,935.09 and 9,907.18 is: 13,670.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,621.68 : 22,935.09 = 9,907.18 : x
  2. Step 2: Convert to fraction form
    16,621.68/22,935.09 = 9,907.18/x
  3. Step 3: Cross multiply
    16,621.68x = 22,935.09 × 9,907.18
  4. Step 4: Simplify right side
    16,621.68x = 227,222,064.95
  5. Step 5: Solve for x
    x = 227,222,064.95/16,621.68
  6. Step 6: Final answer
    x = 13,670.23

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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.