Home / 19,575.15-29,340.59-9,721.23

Finding the Fourth Proportional to 19,575.15, 29,340.59 and 9,721.23

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Solution

The fourth proportional to 19,575.15, 29,340.59 and 9,721.23 is: 14,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.15 : 29,340.59 = 9,721.23 : x
  2. Step 2: Convert to fraction form
    19,575.15/29,340.59 = 9,721.23/x
  3. Step 3: Cross multiply
    19,575.15x = 29,340.59 × 9,721.23
  4. Step 4: Simplify right side
    19,575.15x = 285,226,575.12
  5. Step 5: Solve for x
    x = 285,226,575.12/19,575.15
  6. Step 6: Final answer
    x = 14,570.85

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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.