Home / 19,708.65-29,567.70-6,561.14

Finding the Fourth Proportional to 19,708.65, 29,567.70 and 6,561.14

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Solution

The fourth proportional to 19,708.65, 29,567.70 and 6,561.14 is: 9,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.65 : 29,567.70 = 6,561.14 : x
  2. Step 2: Convert to fraction form
    19,708.65/29,567.70 = 6,561.14/x
  3. Step 3: Cross multiply
    19,708.65x = 29,567.70 × 6,561.14
  4. Step 4: Simplify right side
    19,708.65x = 193,997,671.34
  5. Step 5: Solve for x
    x = 193,997,671.34/19,708.65
  6. Step 6: Final answer
    x = 9,843.28

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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.