Home / 10,297.60-14,206.72-6,316.80

Finding the Fourth Proportional to 10,297.60, 14,206.72 and 6,316.80

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Solution

The fourth proportional to 10,297.60, 14,206.72 and 6,316.80 is: 8,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,297.60 : 14,206.72 = 6,316.80 : x
  2. Step 2: Convert to fraction form
    10,297.60/14,206.72 = 6,316.80/x
  3. Step 3: Cross multiply
    10,297.60x = 14,206.72 × 6,316.80
  4. Step 4: Simplify right side
    10,297.60x = 89,741,008.90
  5. Step 5: Solve for x
    x = 89,741,008.90/10,297.60
  6. Step 6: Final answer
    x = 8,714.75

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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.