Home / 16,719.52-23,081.44-12,934.16

Finding the Fourth Proportional to 16,719.52, 23,081.44 and 12,934.16

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Solution

The fourth proportional to 16,719.52, 23,081.44 and 12,934.16 is: 17,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.52 : 23,081.44 = 12,934.16 : x
  2. Step 2: Convert to fraction form
    16,719.52/23,081.44 = 12,934.16/x
  3. Step 3: Cross multiply
    16,719.52x = 23,081.44 × 12,934.16
  4. Step 4: Simplify right side
    16,719.52x = 298,539,037.99
  5. Step 5: Solve for x
    x = 298,539,037.99/16,719.52
  6. Step 6: Final answer
    x = 17,855.72

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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.