Home / 9,408.52-12,985.41-6,423.27

Finding the Fourth Proportional to 9,408.52, 12,985.41 and 6,423.27

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Solution

The fourth proportional to 9,408.52, 12,985.41 and 6,423.27 is: 8,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.52 : 12,985.41 = 6,423.27 : x
  2. Step 2: Convert to fraction form
    9,408.52/12,985.41 = 6,423.27/x
  3. Step 3: Cross multiply
    9,408.52x = 12,985.41 × 6,423.27
  4. Step 4: Simplify right side
    9,408.52x = 83,408,794.49
  5. Step 5: Solve for x
    x = 83,408,794.49/9,408.52
  6. Step 6: Final answer
    x = 8,865.24

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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.