Home / 19,439.64-29,132.64-8,883.96

Finding the Fourth Proportional to 19,439.64, 29,132.64 and 8,883.96

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Solution

The fourth proportional to 19,439.64, 29,132.64 and 8,883.96 is: 13,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.64 : 29,132.64 = 8,883.96 : x
  2. Step 2: Convert to fraction form
    19,439.64/29,132.64 = 8,883.96/x
  3. Step 3: Cross multiply
    19,439.64x = 29,132.64 × 8,883.96
  4. Step 4: Simplify right side
    19,439.64x = 258,813,208.45
  5. Step 5: Solve for x
    x = 258,813,208.45/19,439.64
  6. Step 6: Final answer
    x = 13,313.68

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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.