Home / 13,953.11-20,911.14-10,237.95

Finding the Fourth Proportional to 13,953.11, 20,911.14 and 10,237.95

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Solution

The fourth proportional to 13,953.11, 20,911.14 and 10,237.95 is: 15,343.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.11 : 20,911.14 = 10,237.95 : x
  2. Step 2: Convert to fraction form
    13,953.11/20,911.14 = 10,237.95/x
  3. Step 3: Cross multiply
    13,953.11x = 20,911.14 × 10,237.95
  4. Step 4: Simplify right side
    13,953.11x = 214,087,205.76
  5. Step 5: Solve for x
    x = 214,087,205.76/13,953.11
  6. Step 6: Final answer
    x = 15,343.34

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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.