Home / 13,970.28-20,969.19-10,262.10

Finding the Fourth Proportional to 13,970.28, 20,969.19 and 10,262.10

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Solution

The fourth proportional to 13,970.28, 20,969.19 and 10,262.10 is: 15,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,970.28 : 20,969.19 = 10,262.10 : x
  2. Step 2: Convert to fraction form
    13,970.28/20,969.19 = 10,262.10/x
  3. Step 3: Cross multiply
    13,970.28x = 20,969.19 × 10,262.10
  4. Step 4: Simplify right side
    13,970.28x = 215,187,924.70
  5. Step 5: Solve for x
    x = 215,187,924.70/13,970.28
  6. Step 6: Final answer
    x = 15,403.26

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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.