Home / 13,204.19-19,805.87-5,407.13

Finding the Fourth Proportional to 13,204.19, 19,805.87 and 5,407.13

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Solution

The fourth proportional to 13,204.19, 19,805.87 and 5,407.13 is: 8,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,204.19 : 19,805.87 = 5,407.13 : x
  2. Step 2: Convert to fraction form
    13,204.19/19,805.87 = 5,407.13/x
  3. Step 3: Cross multiply
    13,204.19x = 19,805.87 × 5,407.13
  4. Step 4: Simplify right side
    13,204.19x = 107,092,828.34
  5. Step 5: Solve for x
    x = 107,092,828.34/13,204.19
  6. Step 6: Final answer
    x = 8,110.52

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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.