Home / 21,795.14-32,678.64-9,323.30

Finding the Fourth Proportional to 21,795.14, 32,678.64 and 9,323.30

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Solution

The fourth proportional to 21,795.14, 32,678.64 and 9,323.30 is: 13,978.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,795.14 : 32,678.64 = 9,323.30 : x
  2. Step 2: Convert to fraction form
    21,795.14/32,678.64 = 9,323.30/x
  3. Step 3: Cross multiply
    21,795.14x = 32,678.64 × 9,323.30
  4. Step 4: Simplify right side
    21,795.14x = 304,672,764.31
  5. Step 5: Solve for x
    x = 304,672,764.31/21,795.14
  6. Step 6: Final answer
    x = 13,978.93

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1.5x scale

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.