Home / 10,681.20-14,739.75-5,901.26

Finding the Fourth Proportional to 10,681.20, 14,739.75 and 5,901.26

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Solution

The fourth proportional to 10,681.20, 14,739.75 and 5,901.26 is: 8,143.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.20 : 14,739.75 = 5,901.26 : x
  2. Step 2: Convert to fraction form
    10,681.20/14,739.75 = 5,901.26/x
  3. Step 3: Cross multiply
    10,681.20x = 14,739.75 × 5,901.26
  4. Step 4: Simplify right side
    10,681.20x = 86,983,023.39
  5. Step 5: Solve for x
    x = 86,983,023.39/10,681.20
  6. Step 6: Final answer
    x = 8,143.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.