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Finding the Fourth Proportional to 13,232.51, 19,856.99 and 8,244.68

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Solution

The fourth proportional to 13,232.51, 19,856.99 and 8,244.68 is: 12,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,232.51 : 19,856.99 = 8,244.68 : x
  2. Step 2: Convert to fraction form
    13,232.51/19,856.99 = 8,244.68/x
  3. Step 3: Cross multiply
    13,232.51x = 19,856.99 × 8,244.68
  4. Step 4: Simplify right side
    13,232.51x = 163,714,449.64
  5. Step 5: Solve for x
    x = 163,714,449.64/13,232.51
  6. Step 6: Final answer
    x = 12,372.14

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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.