Home / 13,419.57-20,038.99-10,959.27

Finding the Fourth Proportional to 13,419.57, 20,038.99 and 10,959.27

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Solution

The fourth proportional to 13,419.57, 20,038.99 and 10,959.27 is: 16,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,419.57 : 20,038.99 = 10,959.27 : x
  2. Step 2: Convert to fraction form
    13,419.57/20,038.99 = 10,959.27/x
  3. Step 3: Cross multiply
    13,419.57x = 20,038.99 × 10,959.27
  4. Step 4: Simplify right side
    13,419.57x = 219,612,674.54
  5. Step 5: Solve for x
    x = 219,612,674.54/13,419.57
  6. Step 6: Final answer
    x = 16,365.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.