Home / 12,499.68-18,710.91-6,863.25

Finding the Fourth Proportional to 12,499.68, 18,710.91 and 6,863.25

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Solution

The fourth proportional to 12,499.68, 18,710.91 and 6,863.25 is: 10,273.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.68 : 18,710.91 = 6,863.25 : x
  2. Step 2: Convert to fraction form
    12,499.68/18,710.91 = 6,863.25/x
  3. Step 3: Cross multiply
    12,499.68x = 18,710.91 × 6,863.25
  4. Step 4: Simplify right side
    12,499.68x = 128,417,653.06
  5. Step 5: Solve for x
    x = 128,417,653.06/12,499.68
  6. Step 6: Final answer
    x = 10,273.68

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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.