Home / 15,554.17-21,464.22-8,839.68

Finding the Fourth Proportional to 15,554.17, 21,464.22 and 8,839.68

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Solution

The fourth proportional to 15,554.17, 21,464.22 and 8,839.68 is: 12,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.17 : 21,464.22 = 8,839.68 : x
  2. Step 2: Convert to fraction form
    15,554.17/21,464.22 = 8,839.68/x
  3. Step 3: Cross multiply
    15,554.17x = 21,464.22 × 8,839.68
  4. Step 4: Simplify right side
    15,554.17x = 189,736,836.25
  5. Step 5: Solve for x
    x = 189,736,836.25/15,554.17
  6. Step 6: Final answer
    x = 12,198.45

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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.