Home / 13,010.80-19,516.20-10,896.70

Finding the Fourth Proportional to 13,010.80, 19,516.20 and 10,896.70

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Solution

The fourth proportional to 13,010.80, 19,516.20 and 10,896.70 is: 16,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.80 : 19,516.20 = 10,896.70 : x
  2. Step 2: Convert to fraction form
    13,010.80/19,516.20 = 10,896.70/x
  3. Step 3: Cross multiply
    13,010.80x = 19,516.20 × 10,896.70
  4. Step 4: Simplify right side
    13,010.80x = 212,662,176.54
  5. Step 5: Solve for x
    x = 212,662,176.54/13,010.80
  6. Step 6: Final answer
    x = 16,345.05

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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.