Home / 13,334.27-18,402.08-7,366.05

Finding the Fourth Proportional to 13,334.27, 18,402.08 and 7,366.05

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Solution

The fourth proportional to 13,334.27, 18,402.08 and 7,366.05 is: 10,165.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.27 : 18,402.08 = 7,366.05 : x
  2. Step 2: Convert to fraction form
    13,334.27/18,402.08 = 7,366.05/x
  3. Step 3: Cross multiply
    13,334.27x = 18,402.08 × 7,366.05
  4. Step 4: Simplify right side
    13,334.27x = 135,550,604.55
  5. Step 5: Solve for x
    x = 135,550,604.55/13,334.27
  6. Step 6: Final answer
    x = 10,165.59

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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.