Home / 10,658.79-15,988.49-3,263.09

Finding the Fourth Proportional to 10,658.79, 15,988.49 and 3,263.09

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Solution

The fourth proportional to 10,658.79, 15,988.49 and 3,263.09 is: 4,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,658.79 : 15,988.49 = 3,263.09 : x
  2. Step 2: Convert to fraction form
    10,658.79/15,988.49 = 3,263.09/x
  3. Step 3: Cross multiply
    10,658.79x = 15,988.49 × 3,263.09
  4. Step 4: Simplify right side
    10,658.79x = 52,171,810.05
  5. Step 5: Solve for x
    x = 52,171,810.05/10,658.79
  6. Step 6: Final answer
    x = 4,894.72

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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.