Home / 13,243.32-19,862.52-3,881.28

Finding the Fourth Proportional to 13,243.32, 19,862.52 and 3,881.28

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Solution

The fourth proportional to 13,243.32, 19,862.52 and 3,881.28 is: 5,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.32 : 19,862.52 = 3,881.28 : x
  2. Step 2: Convert to fraction form
    13,243.32/19,862.52 = 3,881.28/x
  3. Step 3: Cross multiply
    13,243.32x = 19,862.52 × 3,881.28
  4. Step 4: Simplify right side
    13,243.32x = 77,092,001.63
  5. Step 5: Solve for x
    x = 77,092,001.63/13,243.32
  6. Step 6: Final answer
    x = 5,821.20

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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.