Home / 13,489.29-20,233.94-5,698.17

Finding the Fourth Proportional to 13,489.29, 20,233.94 and 5,698.17

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Solution

The fourth proportional to 13,489.29, 20,233.94 and 5,698.17 is: 8,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,489.29 : 20,233.94 = 5,698.17 : x
  2. Step 2: Convert to fraction form
    13,489.29/20,233.94 = 5,698.17/x
  3. Step 3: Cross multiply
    13,489.29x = 20,233.94 × 5,698.17
  4. Step 4: Simplify right side
    13,489.29x = 115,296,401.40
  5. Step 5: Solve for x
    x = 115,296,401.40/13,489.29
  6. Step 6: Final answer
    x = 8,547.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.