Home / 10,252.78-14,156.42-6,279.31

Finding the Fourth Proportional to 10,252.78, 14,156.42 and 6,279.31

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Solution

The fourth proportional to 10,252.78, 14,156.42 and 6,279.31 is: 8,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.78 : 14,156.42 = 6,279.31 : x
  2. Step 2: Convert to fraction form
    10,252.78/14,156.42 = 6,279.31/x
  3. Step 3: Cross multiply
    10,252.78x = 14,156.42 × 6,279.31
  4. Step 4: Simplify right side
    10,252.78x = 88,892,549.67
  5. Step 5: Solve for x
    x = 88,892,549.67/10,252.78
  6. Step 6: Final answer
    x = 8,670.09

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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.