Home / 10,536.79-15,813.35-3,968.95

Finding the Fourth Proportional to 10,536.79, 15,813.35 and 3,968.95

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Solution

The fourth proportional to 10,536.79, 15,813.35 and 3,968.95 is: 5,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.79 : 15,813.35 = 3,968.95 : x
  2. Step 2: Convert to fraction form
    10,536.79/15,813.35 = 3,968.95/x
  3. Step 3: Cross multiply
    10,536.79x = 15,813.35 × 3,968.95
  4. Step 4: Simplify right side
    10,536.79x = 62,762,395.48
  5. Step 5: Solve for x
    x = 62,762,395.48/10,536.79
  6. Step 6: Final answer
    x = 5,956.50

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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.