Home / 13,334.29-18,401.58-7,366.21

Finding the Fourth Proportional to 13,334.29, 18,401.58 and 7,366.21

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Solution

The fourth proportional to 13,334.29, 18,401.58 and 7,366.21 is: 10,165.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.29 : 18,401.58 = 7,366.21 : x
  2. Step 2: Convert to fraction form
    13,334.29/18,401.58 = 7,366.21/x
  3. Step 3: Cross multiply
    13,334.29x = 18,401.58 × 7,366.21
  4. Step 4: Simplify right side
    13,334.29x = 135,549,856.61
  5. Step 5: Solve for x
    x = 135,549,856.61/13,334.29
  6. Step 6: Final answer
    x = 10,165.51

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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.