Home / 13,207.22-19,810.85-3,347.26

Finding the Fourth Proportional to 13,207.22, 19,810.85 and 3,347.26

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Solution

The fourth proportional to 13,207.22, 19,810.85 and 3,347.26 is: 5,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.22 : 19,810.85 = 3,347.26 : x
  2. Step 2: Convert to fraction form
    13,207.22/19,810.85 = 3,347.26/x
  3. Step 3: Cross multiply
    13,207.22x = 19,810.85 × 3,347.26
  4. Step 4: Simplify right side
    13,207.22x = 66,311,999.51
  5. Step 5: Solve for x
    x = 66,311,999.51/13,207.22
  6. Step 6: Final answer
    x = 5,020.89

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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.