Home / 10,279.60-14,186.10-5,803.44

Finding the Fourth Proportional to 10,279.60, 14,186.10 and 5,803.44

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Solution

The fourth proportional to 10,279.60, 14,186.10 and 5,803.44 is: 8,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.60 : 14,186.10 = 5,803.44 : x
  2. Step 2: Convert to fraction form
    10,279.60/14,186.10 = 5,803.44/x
  3. Step 3: Cross multiply
    10,279.60x = 14,186.10 × 5,803.44
  4. Step 4: Simplify right side
    10,279.60x = 82,328,180.18
  5. Step 5: Solve for x
    x = 82,328,180.18/10,279.60
  6. Step 6: Final answer
    x = 8,008.89

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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.