Home / 12,957.52-19,442.42-6,716.36

Finding the Fourth Proportional to 12,957.52, 19,442.42 and 6,716.36

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Solution

The fourth proportional to 12,957.52, 19,442.42 and 6,716.36 is: 10,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.52 : 19,442.42 = 6,716.36 : x
  2. Step 2: Convert to fraction form
    12,957.52/19,442.42 = 6,716.36/x
  3. Step 3: Cross multiply
    12,957.52x = 19,442.42 × 6,716.36
  4. Step 4: Simplify right side
    12,957.52x = 130,582,291.99
  5. Step 5: Solve for x
    x = 130,582,291.99/12,957.52
  6. Step 6: Final answer
    x = 10,077.72

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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.