Home / 8,868.63-12,225.99-6,976.93

Finding the Fourth Proportional to 8,868.63, 12,225.99 and 6,976.93

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Solution

The fourth proportional to 8,868.63, 12,225.99 and 6,976.93 is: 9,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.63 : 12,225.99 = 6,976.93 : x
  2. Step 2: Convert to fraction form
    8,868.63/12,225.99 = 6,976.93/x
  3. Step 3: Cross multiply
    8,868.63x = 12,225.99 × 6,976.93
  4. Step 4: Simplify right side
    8,868.63x = 85,299,815.28
  5. Step 5: Solve for x
    x = 85,299,815.28/8,868.63
  6. Step 6: Final answer
    x = 9,618.15

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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.