Home / 12,534.32-18,798.38-5,516.09

Finding the Fourth Proportional to 12,534.32, 18,798.38 and 5,516.09

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Solution

The fourth proportional to 12,534.32, 18,798.38 and 5,516.09 is: 8,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,534.32 : 18,798.38 = 5,516.09 : x
  2. Step 2: Convert to fraction form
    12,534.32/18,798.38 = 5,516.09/x
  3. Step 3: Cross multiply
    12,534.32x = 18,798.38 × 5,516.09
  4. Step 4: Simplify right side
    12,534.32x = 103,693,525.54
  5. Step 5: Solve for x
    x = 103,693,525.54/12,534.32
  6. Step 6: Final answer
    x = 8,272.77

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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.