Home / 13,327.84-18,392.65-7,359.15

Finding the Fourth Proportional to 13,327.84, 18,392.65 and 7,359.15

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Solution

The fourth proportional to 13,327.84, 18,392.65 and 7,359.15 is: 10,155.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.84 : 18,392.65 = 7,359.15 : x
  2. Step 2: Convert to fraction form
    13,327.84/18,392.65 = 7,359.15/x
  3. Step 3: Cross multiply
    13,327.84x = 18,392.65 × 7,359.15
  4. Step 4: Simplify right side
    13,327.84x = 135,354,251.85
  5. Step 5: Solve for x
    x = 135,354,251.85/13,327.84
  6. Step 6: Final answer
    x = 10,155.75

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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.