Home / 13,335.86-18,401.91-7,367.17

Finding the Fourth Proportional to 13,335.86, 18,401.91 and 7,367.17

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Solution

The fourth proportional to 13,335.86, 18,401.91 and 7,367.17 is: 10,165.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.86 : 18,401.91 = 7,367.17 : x
  2. Step 2: Convert to fraction form
    13,335.86/18,401.91 = 7,367.17/x
  3. Step 3: Cross multiply
    13,335.86x = 18,401.91 × 7,367.17
  4. Step 4: Simplify right side
    13,335.86x = 135,569,999.29
  5. Step 5: Solve for x
    x = 135,569,999.29/13,335.86
  6. Step 6: Final answer
    x = 10,165.82

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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.