Home / 19,144.19-28,717.91-5,106.35

Finding the Fourth Proportional to 19,144.19, 28,717.91 and 5,106.35

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Solution

The fourth proportional to 19,144.19, 28,717.91 and 5,106.35 is: 7,659.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.19 : 28,717.91 = 5,106.35 : x
  2. Step 2: Convert to fraction form
    19,144.19/28,717.91 = 5,106.35/x
  3. Step 3: Cross multiply
    19,144.19x = 28,717.91 × 5,106.35
  4. Step 4: Simplify right side
    19,144.19x = 146,643,699.73
  5. Step 5: Solve for x
    x = 146,643,699.73/19,144.19
  6. Step 6: Final answer
    x = 7,659.96

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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.