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Finding the Fourth Proportional to 12,711.05, 19,073.07 and 6,055.07

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Solution

The fourth proportional to 12,711.05, 19,073.07 and 6,055.07 is: 9,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,711.05 : 19,073.07 = 6,055.07 : x
  2. Step 2: Convert to fraction form
    12,711.05/19,073.07 = 6,055.07/x
  3. Step 3: Cross multiply
    12,711.05x = 19,073.07 × 6,055.07
  4. Step 4: Simplify right side
    12,711.05x = 115,488,773.96
  5. Step 5: Solve for x
    x = 115,488,773.96/12,711.05
  6. Step 6: Final answer
    x = 9,085.70

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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.