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Finding the Fourth Proportional to 8,073.06, 12,118.07 and 7,154.50

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Solution

The fourth proportional to 8,073.06, 12,118.07 and 7,154.50 is: 10,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.06 : 12,118.07 = 7,154.50 : x
  2. Step 2: Convert to fraction form
    8,073.06/12,118.07 = 7,154.50/x
  3. Step 3: Cross multiply
    8,073.06x = 12,118.07 × 7,154.50
  4. Step 4: Simplify right side
    8,073.06x = 86,698,731.82
  5. Step 5: Solve for x
    x = 86,698,731.82/8,073.06
  6. Step 6: Final answer
    x = 10,739.27

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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.