Home / 13,035.20-19,452.40-10,731.20

Finding the Fourth Proportional to 13,035.20, 19,452.40 and 10,731.20

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Solution

The fourth proportional to 13,035.20, 19,452.40 and 10,731.20 is: 16,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,035.20 : 19,452.40 = 10,731.20 : x
  2. Step 2: Convert to fraction form
    13,035.20/19,452.40 = 10,731.20/x
  3. Step 3: Cross multiply
    13,035.20x = 19,452.40 × 10,731.20
  4. Step 4: Simplify right side
    13,035.20x = 208,747,594.88
  5. Step 5: Solve for x
    x = 208,747,594.88/13,035.20
  6. Step 6: Final answer
    x = 16,014.15

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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.