Home / 18,613.08-25,671.06-11,526.12

Finding the Fourth Proportional to 18,613.08, 25,671.06 and 11,526.12

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Solution

The fourth proportional to 18,613.08, 25,671.06 and 11,526.12 is: 15,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,613.08 : 25,671.06 = 11,526.12 : x
  2. Step 2: Convert to fraction form
    18,613.08/25,671.06 = 11,526.12/x
  3. Step 3: Cross multiply
    18,613.08x = 25,671.06 × 11,526.12
  4. Step 4: Simplify right side
    18,613.08x = 295,887,718.09
  5. Step 5: Solve for x
    x = 295,887,718.09/18,613.08
  6. Step 6: Final answer
    x = 15,896.76

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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.