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Finding the Fourth Proportional to 8,021.03, 12,019.10 and 5,560.65

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Solution

The fourth proportional to 8,021.03, 12,019.10 and 5,560.65 is: 8,332.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,021.03 : 12,019.10 = 5,560.65 : x
  2. Step 2: Convert to fraction form
    8,021.03/12,019.10 = 5,560.65/x
  3. Step 3: Cross multiply
    8,021.03x = 12,019.10 × 5,560.65
  4. Step 4: Simplify right side
    8,021.03x = 66,833,980.61
  5. Step 5: Solve for x
    x = 66,833,980.61/8,021.03
  6. Step 6: Final answer
    x = 8,332.35

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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.