Home / 12,951.07-19,419.91-4,184.84

Finding the Fourth Proportional to 12,951.07, 19,419.91 and 4,184.84

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Solution

The fourth proportional to 12,951.07, 19,419.91 and 4,184.84 is: 6,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.07 : 19,419.91 = 4,184.84 : x
  2. Step 2: Convert to fraction form
    12,951.07/19,419.91 = 4,184.84/x
  3. Step 3: Cross multiply
    12,951.07x = 19,419.91 × 4,184.84
  4. Step 4: Simplify right side
    12,951.07x = 81,269,216.16
  5. Step 5: Solve for x
    x = 81,269,216.16/12,951.07
  6. Step 6: Final answer
    x = 6,275.10

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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.