Home / 10,789.48-14,890.62-6,314.68

Finding the Fourth Proportional to 10,789.48, 14,890.62 and 6,314.68

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Solution

The fourth proportional to 10,789.48, 14,890.62 and 6,314.68 is: 8,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,789.48 : 14,890.62 = 6,314.68 : x
  2. Step 2: Convert to fraction form
    10,789.48/14,890.62 = 6,314.68/x
  3. Step 3: Cross multiply
    10,789.48x = 14,890.62 × 6,314.68
  4. Step 4: Simplify right side
    10,789.48x = 94,029,500.30
  5. Step 5: Solve for x
    x = 94,029,500.30/10,789.48
  6. Step 6: Final answer
    x = 8,714.92

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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.