Home / 8,915.08-13,353.16-6,310.12

Finding the Fourth Proportional to 8,915.08, 13,353.16 and 6,310.12

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Solution

The fourth proportional to 8,915.08, 13,353.16 and 6,310.12 is: 9,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,915.08 : 13,353.16 = 6,310.12 : x
  2. Step 2: Convert to fraction form
    8,915.08/13,353.16 = 6,310.12/x
  3. Step 3: Cross multiply
    8,915.08x = 13,353.16 × 6,310.12
  4. Step 4: Simplify right side
    8,915.08x = 84,260,041.98
  5. Step 5: Solve for x
    x = 84,260,041.98/8,915.08
  6. Step 6: Final answer
    x = 9,451.41

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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.