Home / 15,979.68-23,924-12,697.44

Finding the Fourth Proportional to 15,979.68, 23,924 and 12,697.44

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Solution

The fourth proportional to 15,979.68, 23,924 and 12,697.44 is: 19,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.68 : 23,924 = 12,697.44 : x
  2. Step 2: Convert to fraction form
    15,979.68/23,924 = 12,697.44/x
  3. Step 3: Cross multiply
    15,979.68x = 23,924 × 12,697.44
  4. Step 4: Simplify right side
    15,979.68x = 303,773,554.56
  5. Step 5: Solve for x
    x = 303,773,554.56/15,979.68
  6. Step 6: Final answer
    x = 19,009.99

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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.