Home / 10,299.02-14,199.68-8,408.66

Finding the Fourth Proportional to 10,299.02, 14,199.68 and 8,408.66

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Solution

The fourth proportional to 10,299.02, 14,199.68 and 8,408.66 is: 11,593.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.02 : 14,199.68 = 8,408.66 : x
  2. Step 2: Convert to fraction form
    10,299.02/14,199.68 = 8,408.66/x
  3. Step 3: Cross multiply
    10,299.02x = 14,199.68 × 8,408.66
  4. Step 4: Simplify right side
    10,299.02x = 119,400,231.25
  5. Step 5: Solve for x
    x = 119,400,231.25/10,299.02
  6. Step 6: Final answer
    x = 11,593.36

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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.