Home / 19,386-29,079.96-6,237.36

Finding the Fourth Proportional to 19,386, 29,079.96 and 6,237.36

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Solution

The fourth proportional to 19,386, 29,079.96 and 6,237.36 is: 9,356.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386 : 29,079.96 = 6,237.36 : x
  2. Step 2: Convert to fraction form
    19,386/29,079.96 = 6,237.36/x
  3. Step 3: Cross multiply
    19,386x = 29,079.96 × 6,237.36
  4. Step 4: Simplify right side
    19,386x = 181,382,179.31
  5. Step 5: Solve for x
    x = 181,382,179.31/19,386
  6. Step 6: Final answer
    x = 9,356.35

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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.