Home / 19,251.40-28,881.15-6,105.10

Finding the Fourth Proportional to 19,251.40, 28,881.15 and 6,105.10

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Solution

The fourth proportional to 19,251.40, 28,881.15 and 6,105.10 is: 9,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.40 : 28,881.15 = 6,105.10 : x
  2. Step 2: Convert to fraction form
    19,251.40/28,881.15 = 6,105.10/x
  3. Step 3: Cross multiply
    19,251.40x = 28,881.15 × 6,105.10
  4. Step 4: Simplify right side
    19,251.40x = 176,322,308.87
  5. Step 5: Solve for x
    x = 176,322,308.87/19,251.40
  6. Step 6: Final answer
    x = 9,158.93

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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.