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Finding the Fourth Proportional to 8,012.98, 12,019.48 and 4,063.63

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Solution

The fourth proportional to 8,012.98, 12,019.48 and 4,063.63 is: 6,095.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.98 : 12,019.48 = 4,063.63 : x
  2. Step 2: Convert to fraction form
    8,012.98/12,019.48 = 4,063.63/x
  3. Step 3: Cross multiply
    8,012.98x = 12,019.48 × 4,063.63
  4. Step 4: Simplify right side
    8,012.98x = 48,842,719.51
  5. Step 5: Solve for x
    x = 48,842,719.51/8,012.98
  6. Step 6: Final answer
    x = 6,095.45

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Double scale
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Similar ratio
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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.