Home / 13,369.41-18,449.93-7,401.17

Finding the Fourth Proportional to 13,369.41, 18,449.93 and 7,401.17

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Solution

The fourth proportional to 13,369.41, 18,449.93 and 7,401.17 is: 10,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369.41 : 18,449.93 = 7,401.17 : x
  2. Step 2: Convert to fraction form
    13,369.41/18,449.93 = 7,401.17/x
  3. Step 3: Cross multiply
    13,369.41x = 18,449.93 × 7,401.17
  4. Step 4: Simplify right side
    13,369.41x = 136,550,939.16
  5. Step 5: Solve for x
    x = 136,550,939.16/13,369.41
  6. Step 6: Final answer
    x = 10,213.68

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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.