Home / 8,856.08-12,164.90-8,812.34

Finding the Fourth Proportional to 8,856.08, 12,164.90 and 8,812.34

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Solution

The fourth proportional to 8,856.08, 12,164.90 and 8,812.34 is: 12,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.08 : 12,164.90 = 8,812.34 : x
  2. Step 2: Convert to fraction form
    8,856.08/12,164.90 = 8,812.34/x
  3. Step 3: Cross multiply
    8,856.08x = 12,164.90 × 8,812.34
  4. Step 4: Simplify right side
    8,856.08x = 107,201,196.07
  5. Step 5: Solve for x
    x = 107,201,196.07/8,856.08
  6. Step 6: Final answer
    x = 12,104.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.