Home / 13,217.84-19,836.36-10,651.76

Finding the Fourth Proportional to 13,217.84, 19,836.36 and 10,651.76

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Solution

The fourth proportional to 13,217.84, 19,836.36 and 10,651.76 is: 15,985.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.84 : 19,836.36 = 10,651.76 : x
  2. Step 2: Convert to fraction form
    13,217.84/19,836.36 = 10,651.76/x
  3. Step 3: Cross multiply
    13,217.84x = 19,836.36 × 10,651.76
  4. Step 4: Simplify right side
    13,217.84x = 211,292,145.99
  5. Step 5: Solve for x
    x = 211,292,145.99/13,217.84
  6. Step 6: Final answer
    x = 15,985.38

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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.