Home / 12,819.17-19,195.19-10,307.00

Finding the Fourth Proportional to 12,819.17, 19,195.19 and 10,307.00

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Solution

The fourth proportional to 12,819.17, 19,195.19 and 10,307.00 is: 15,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.17 : 19,195.19 = 10,307.00 : x
  2. Step 2: Convert to fraction form
    12,819.17/19,195.19 = 10,307.00/x
  3. Step 3: Cross multiply
    12,819.17x = 19,195.19 × 10,307.00
  4. Step 4: Simplify right side
    12,819.17x = 197,844,819.78
  5. Step 5: Solve for x
    x = 197,844,819.78/12,819.17
  6. Step 6: Final answer
    x = 15,433.51

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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.