Home / 8,448.15-12,672.23-6,115.35

Finding the Fourth Proportional to 8,448.15, 12,672.23 and 6,115.35

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Solution

The fourth proportional to 8,448.15, 12,672.23 and 6,115.35 is: 9,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.15 : 12,672.23 = 6,115.35 : x
  2. Step 2: Convert to fraction form
    8,448.15/12,672.23 = 6,115.35/x
  3. Step 3: Cross multiply
    8,448.15x = 12,672.23 × 6,115.35
  4. Step 4: Simplify right side
    8,448.15x = 77,495,091.15
  5. Step 5: Solve for x
    x = 77,495,091.15/8,448.15
  6. Step 6: Final answer
    x = 9,173.03

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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.