Home / 10,408.10-15,612.15-9,716.90

Finding the Fourth Proportional to 10,408.10, 15,612.15 and 9,716.90

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Solution

The fourth proportional to 10,408.10, 15,612.15 and 9,716.90 is: 14,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.10 : 15,612.15 = 9,716.90 : x
  2. Step 2: Convert to fraction form
    10,408.10/15,612.15 = 9,716.90/x
  3. Step 3: Cross multiply
    10,408.10x = 15,612.15 × 9,716.90
  4. Step 4: Simplify right side
    10,408.10x = 151,701,700.34
  5. Step 5: Solve for x
    x = 151,701,700.34/10,408.10
  6. Step 6: Final answer
    x = 14,575.35

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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.