Home / 19,002.31-26,216.78-12,296.42

Finding the Fourth Proportional to 19,002.31, 26,216.78 and 12,296.42

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Solution

The fourth proportional to 19,002.31, 26,216.78 and 12,296.42 is: 16,964.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.31 : 26,216.78 = 12,296.42 : x
  2. Step 2: Convert to fraction form
    19,002.31/26,216.78 = 12,296.42/x
  3. Step 3: Cross multiply
    19,002.31x = 26,216.78 × 12,296.42
  4. Step 4: Simplify right side
    19,002.31x = 322,372,437.58
  5. Step 5: Solve for x
    x = 322,372,437.58/19,002.31
  6. Step 6: Final answer
    x = 16,964.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.