Home / 19,456.80-29,176.32-6,972

Finding the Fourth Proportional to 19,456.80, 29,176.32 and 6,972

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Solution

The fourth proportional to 19,456.80, 29,176.32 and 6,972 is: 10,454.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,456.80 : 29,176.32 = 6,972 : x
  2. Step 2: Convert to fraction form
    19,456.80/29,176.32 = 6,972/x
  3. Step 3: Cross multiply
    19,456.80x = 29,176.32 × 6,972
  4. Step 4: Simplify right side
    19,456.80x = 203,417,303.04
  5. Step 5: Solve for x
    x = 203,417,303.04/19,456.80
  6. Step 6: Final answer
    x = 10,454.82

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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.