Home / 12,867.06-19,300.38-4,101.84

Finding the Fourth Proportional to 12,867.06, 19,300.38 and 4,101.84

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Solution

The fourth proportional to 12,867.06, 19,300.38 and 4,101.84 is: 6,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.06 : 19,300.38 = 4,101.84 : x
  2. Step 2: Convert to fraction form
    12,867.06/19,300.38 = 4,101.84/x
  3. Step 3: Cross multiply
    12,867.06x = 19,300.38 × 4,101.84
  4. Step 4: Simplify right side
    12,867.06x = 79,167,070.70
  5. Step 5: Solve for x
    x = 79,167,070.70/12,867.06
  6. Step 6: Final answer
    x = 6,152.69

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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.