Home / 8,858.16-12,223.44-6,501.60

Finding the Fourth Proportional to 8,858.16, 12,223.44 and 6,501.60

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Solution

The fourth proportional to 8,858.16, 12,223.44 and 6,501.60 is: 8,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.16 : 12,223.44 = 6,501.60 : x
  2. Step 2: Convert to fraction form
    8,858.16/12,223.44 = 6,501.60/x
  3. Step 3: Cross multiply
    8,858.16x = 12,223.44 × 6,501.60
  4. Step 4: Simplify right side
    8,858.16x = 79,471,917.50
  5. Step 5: Solve for x
    x = 79,471,917.50/8,858.16
  6. Step 6: Final answer
    x = 8,971.61

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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.