Home / 30,408.28-45,614.86-10,691.26

Finding the Fourth Proportional to 30,408.28, 45,614.86 and 10,691.26

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Solution

The fourth proportional to 30,408.28, 45,614.86 and 10,691.26 is: 16,037.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,408.28 : 45,614.86 = 10,691.26 : x
  2. Step 2: Convert to fraction form
    30,408.28/45,614.86 = 10,691.26/x
  3. Step 3: Cross multiply
    30,408.28x = 45,614.86 × 10,691.26
  4. Step 4: Simplify right side
    30,408.28x = 487,680,187.36
  5. Step 5: Solve for x
    x = 487,680,187.36/30,408.28
  6. Step 6: Final answer
    x = 16,037.74

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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.