Home / 10,193.28-15,272.21-5,516.51

Finding the Fourth Proportional to 10,193.28, 15,272.21 and 5,516.51

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Solution

The fourth proportional to 10,193.28, 15,272.21 and 5,516.51 is: 8,265.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,193.28 : 15,272.21 = 5,516.51 : x
  2. Step 2: Convert to fraction form
    10,193.28/15,272.21 = 5,516.51/x
  3. Step 3: Cross multiply
    10,193.28x = 15,272.21 × 5,516.51
  4. Step 4: Simplify right side
    10,193.28x = 84,249,236.62
  5. Step 5: Solve for x
    x = 84,249,236.62/10,193.28
  6. Step 6: Final answer
    x = 8,265.18

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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.