Home / 12,753.28-19,137.32-5,357.10

Finding the Fourth Proportional to 12,753.28, 19,137.32 and 5,357.10

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Solution

The fourth proportional to 12,753.28, 19,137.32 and 5,357.10 is: 8,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.28 : 19,137.32 = 5,357.10 : x
  2. Step 2: Convert to fraction form
    12,753.28/19,137.32 = 5,357.10/x
  3. Step 3: Cross multiply
    12,753.28x = 19,137.32 × 5,357.10
  4. Step 4: Simplify right side
    12,753.28x = 102,520,536.97
  5. Step 5: Solve for x
    x = 102,520,536.97/12,753.28
  6. Step 6: Final answer
    x = 8,038.76

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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.