Home / 13,487.64-20,233.31-12,667.52

Finding the Fourth Proportional to 13,487.64, 20,233.31 and 12,667.52

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Solution

The fourth proportional to 13,487.64, 20,233.31 and 12,667.52 is: 19,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.64 : 20,233.31 = 12,667.52 : x
  2. Step 2: Convert to fraction form
    13,487.64/20,233.31 = 12,667.52/x
  3. Step 3: Cross multiply
    13,487.64x = 20,233.31 × 12,667.52
  4. Step 4: Simplify right side
    13,487.64x = 256,305,694.59
  5. Step 5: Solve for x
    x = 256,305,694.59/13,487.64
  6. Step 6: Final answer
    x = 19,003.01

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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.