Home / 13,284.15-19,900.30-10,348.71

Finding the Fourth Proportional to 13,284.15, 19,900.30 and 10,348.71

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Solution

The fourth proportional to 13,284.15, 19,900.30 and 10,348.71 is: 15,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.15 : 19,900.30 = 10,348.71 : x
  2. Step 2: Convert to fraction form
    13,284.15/19,900.30 = 10,348.71/x
  3. Step 3: Cross multiply
    13,284.15x = 19,900.30 × 10,348.71
  4. Step 4: Simplify right side
    13,284.15x = 205,942,282.37
  5. Step 5: Solve for x
    x = 205,942,282.37/13,284.15
  6. Step 6: Final answer
    x = 15,502.86

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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.