Home / 10,426.22-15,643.17-4,881.36

Finding the Fourth Proportional to 10,426.22, 15,643.17 and 4,881.36

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Solution

The fourth proportional to 10,426.22, 15,643.17 and 4,881.36 is: 7,323.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,426.22 : 15,643.17 = 4,881.36 : x
  2. Step 2: Convert to fraction form
    10,426.22/15,643.17 = 4,881.36/x
  3. Step 3: Cross multiply
    10,426.22x = 15,643.17 × 4,881.36
  4. Step 4: Simplify right side
    10,426.22x = 76,359,944.31
  5. Step 5: Solve for x
    x = 76,359,944.31/10,426.22
  6. Step 6: Final answer
    x = 7,323.84

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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.