Home / 12,828.97-19,247.10-4,935.12

Finding the Fourth Proportional to 12,828.97, 19,247.10 and 4,935.12

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Solution

The fourth proportional to 12,828.97, 19,247.10 and 4,935.12 is: 7,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828.97 : 19,247.10 = 4,935.12 : x
  2. Step 2: Convert to fraction form
    12,828.97/19,247.10 = 4,935.12/x
  3. Step 3: Cross multiply
    12,828.97x = 19,247.10 × 4,935.12
  4. Step 4: Simplify right side
    12,828.97x = 94,986,748.15
  5. Step 5: Solve for x
    x = 94,986,748.15/12,828.97
  6. Step 6: Final answer
    x = 7,404.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.