Home / 19,585.48-29,380.06-6,437.88

Finding the Fourth Proportional to 19,585.48, 29,380.06 and 6,437.88

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Solution

The fourth proportional to 19,585.48, 29,380.06 and 6,437.88 is: 9,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.48 : 29,380.06 = 6,437.88 : x
  2. Step 2: Convert to fraction form
    19,585.48/29,380.06 = 6,437.88/x
  3. Step 3: Cross multiply
    19,585.48x = 29,380.06 × 6,437.88
  4. Step 4: Simplify right side
    19,585.48x = 189,145,300.67
  5. Step 5: Solve for x
    x = 189,145,300.67/19,585.48
  6. Step 6: Final answer
    x = 9,657.42

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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.