Home / 9,015.21-12,423.27-6,893.15

Finding the Fourth Proportional to 9,015.21, 12,423.27 and 6,893.15

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Solution

The fourth proportional to 9,015.21, 12,423.27 and 6,893.15 is: 9,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.21 : 12,423.27 = 6,893.15 : x
  2. Step 2: Convert to fraction form
    9,015.21/12,423.27 = 6,893.15/x
  3. Step 3: Cross multiply
    9,015.21x = 12,423.27 × 6,893.15
  4. Step 4: Simplify right side
    9,015.21x = 85,635,401.48
  5. Step 5: Solve for x
    x = 85,635,401.48/9,015.21
  6. Step 6: Final answer
    x = 9,498.99

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Half scale
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Double scale
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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.