Home / 21,710.08-32,569.44-6,918.52

Finding the Fourth Proportional to 21,710.08, 32,569.44 and 6,918.52

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Solution

The fourth proportional to 21,710.08, 32,569.44 and 6,918.52 is: 10,379.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,710.08 : 32,569.44 = 6,918.52 : x
  2. Step 2: Convert to fraction form
    21,710.08/32,569.44 = 6,918.52/x
  3. Step 3: Cross multiply
    21,710.08x = 32,569.44 × 6,918.52
  4. Step 4: Simplify right side
    21,710.08x = 225,332,322.03
  5. Step 5: Solve for x
    x = 225,332,322.03/21,710.08
  6. Step 6: Final answer
    x = 10,379.16

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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.