Home / 19,126.32-26,386.68-11,952

Finding the Fourth Proportional to 19,126.32, 26,386.68 and 11,952

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Solution

The fourth proportional to 19,126.32, 26,386.68 and 11,952 is: 16,488.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.32 : 26,386.68 = 11,952 : x
  2. Step 2: Convert to fraction form
    19,126.32/26,386.68 = 11,952/x
  3. Step 3: Cross multiply
    19,126.32x = 26,386.68 × 11,952
  4. Step 4: Simplify right side
    19,126.32x = 315,373,599.36
  5. Step 5: Solve for x
    x = 315,373,599.36/19,126.32
  6. Step 6: Final answer
    x = 16,488.98

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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.