Home / 8,812.32-13,192.86-6,858.60

Finding the Fourth Proportional to 8,812.32, 13,192.86 and 6,858.60

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Solution

The fourth proportional to 8,812.32, 13,192.86 and 6,858.60 is: 10,267.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.32 : 13,192.86 = 6,858.60 : x
  2. Step 2: Convert to fraction form
    8,812.32/13,192.86 = 6,858.60/x
  3. Step 3: Cross multiply
    8,812.32x = 13,192.86 × 6,858.60
  4. Step 4: Simplify right side
    8,812.32x = 90,484,549.60
  5. Step 5: Solve for x
    x = 90,484,549.60/8,812.32
  6. Step 6: Final answer
    x = 10,267.96

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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.