Home / 13,263.31-19,891.65-3,901.46

Finding the Fourth Proportional to 13,263.31, 19,891.65 and 3,901.46

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Solution

The fourth proportional to 13,263.31, 19,891.65 and 3,901.46 is: 5,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263.31 : 19,891.65 = 3,901.46 : x
  2. Step 2: Convert to fraction form
    13,263.31/19,891.65 = 3,901.46/x
  3. Step 3: Cross multiply
    13,263.31x = 19,891.65 × 3,901.46
  4. Step 4: Simplify right side
    13,263.31x = 77,606,476.81
  5. Step 5: Solve for x
    x = 77,606,476.81/13,263.31
  6. Step 6: Final answer
    x = 5,851.22

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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.