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Finding the Fourth Proportional to 12,581, 18,873.56 and 4,683.54

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Solution

The fourth proportional to 12,581, 18,873.56 and 4,683.54 is: 7,026.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581 : 18,873.56 = 4,683.54 : x
  2. Step 2: Convert to fraction form
    12,581/18,873.56 = 4,683.54/x
  3. Step 3: Cross multiply
    12,581x = 18,873.56 × 4,683.54
  4. Step 4: Simplify right side
    12,581x = 88,395,073.20
  5. Step 5: Solve for x
    x = 88,395,073.20/12,581
  6. Step 6: Final answer
    x = 7,026.08

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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.