Home / 9,353.30-14,031.38-2,778.68

Finding the Fourth Proportional to 9,353.30, 14,031.38 and 2,778.68

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Solution

The fourth proportional to 9,353.30, 14,031.38 and 2,778.68 is: 4,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.30 : 14,031.38 = 2,778.68 : x
  2. Step 2: Convert to fraction form
    9,353.30/14,031.38 = 2,778.68/x
  3. Step 3: Cross multiply
    9,353.30x = 14,031.38 × 2,778.68
  4. Step 4: Simplify right side
    9,353.30x = 38,988,714.98
  5. Step 5: Solve for x
    x = 38,988,714.98/9,353.30
  6. Step 6: Final answer
    x = 4,168.44

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1.5x scale

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.