Home / 13,207.90-19,812.57-3,347.26

Finding the Fourth Proportional to 13,207.90, 19,812.57 and 3,347.26

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Solution

The fourth proportional to 13,207.90, 19,812.57 and 3,347.26 is: 5,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.90 : 19,812.57 = 3,347.26 : x
  2. Step 2: Convert to fraction form
    13,207.90/19,812.57 = 3,347.26/x
  3. Step 3: Cross multiply
    13,207.90x = 19,812.57 × 3,347.26
  4. Step 4: Simplify right side
    13,207.90x = 66,317,823.06
  5. Step 5: Solve for x
    x = 66,317,823.06/13,207.90
  6. Step 6: Final answer
    x = 5,021.07

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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.