Home / 13,327.30-18,392.43-7,358.95

Finding the Fourth Proportional to 13,327.30, 18,392.43 and 7,358.95

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Solution

The fourth proportional to 13,327.30, 18,392.43 and 7,358.95 is: 10,155.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.30 : 18,392.43 = 7,358.95 : x
  2. Step 2: Convert to fraction form
    13,327.30/18,392.43 = 7,358.95/x
  3. Step 3: Cross multiply
    13,327.30x = 18,392.43 × 7,358.95
  4. Step 4: Simplify right side
    13,327.30x = 135,348,972.75
  5. Step 5: Solve for x
    x = 135,348,972.75/13,327.30
  6. Step 6: Final answer
    x = 10,155.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.