Home / 21,963.04-32,934-10,266.40

Finding the Fourth Proportional to 21,963.04, 32,934 and 10,266.40

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Solution

The fourth proportional to 21,963.04, 32,934 and 10,266.40 is: 15,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,963.04 : 32,934 = 10,266.40 : x
  2. Step 2: Convert to fraction form
    21,963.04/32,934 = 10,266.40/x
  3. Step 3: Cross multiply
    21,963.04x = 32,934 × 10,266.40
  4. Step 4: Simplify right side
    21,963.04x = 338,113,617.60
  5. Step 5: Solve for x
    x = 338,113,617.60/21,963.04
  6. Step 6: Final answer
    x = 15,394.66

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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.