Home / 8,814.05-12,165.34-6,896.08

Finding the Fourth Proportional to 8,814.05, 12,165.34 and 6,896.08

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Solution

The fourth proportional to 8,814.05, 12,165.34 and 6,896.08 is: 9,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.05 : 12,165.34 = 6,896.08 : x
  2. Step 2: Convert to fraction form
    8,814.05/12,165.34 = 6,896.08/x
  3. Step 3: Cross multiply
    8,814.05x = 12,165.34 × 6,896.08
  4. Step 4: Simplify right side
    8,814.05x = 83,893,157.87
  5. Step 5: Solve for x
    x = 83,893,157.87/8,814.05
  6. Step 6: Final answer
    x = 9,518.12

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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.