Home / 10,339-14,272.26-6,986.44

Finding the Fourth Proportional to 10,339, 14,272.26 and 6,986.44

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Solution

The fourth proportional to 10,339, 14,272.26 and 6,986.44 is: 9,644.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,339 : 14,272.26 = 6,986.44 : x
  2. Step 2: Convert to fraction form
    10,339/14,272.26 = 6,986.44/x
  3. Step 3: Cross multiply
    10,339x = 14,272.26 × 6,986.44
  4. Step 4: Simplify right side
    10,339x = 99,712,288.15
  5. Step 5: Solve for x
    x = 99,712,288.15/10,339
  6. Step 6: Final answer
    x = 9,644.29

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1.5x scale

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.