Home / 13,327.77-18,392.61-7,359.82

Finding the Fourth Proportional to 13,327.77, 18,392.61 and 7,359.82

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Solution

The fourth proportional to 13,327.77, 18,392.61 and 7,359.82 is: 10,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.77 : 18,392.61 = 7,359.82 : x
  2. Step 2: Convert to fraction form
    13,327.77/18,392.61 = 7,359.82/x
  3. Step 3: Cross multiply
    13,327.77x = 18,392.61 × 7,359.82
  4. Step 4: Simplify right side
    13,327.77x = 135,366,298.93
  5. Step 5: Solve for x
    x = 135,366,298.93/13,327.77
  6. Step 6: Final answer
    x = 10,156.71

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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.