Home / 21,663.36-32,495.12-6,882.64

Finding the Fourth Proportional to 21,663.36, 32,495.12 and 6,882.64

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Solution

The fourth proportional to 21,663.36, 32,495.12 and 6,882.64 is: 10,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.36 : 32,495.12 = 6,882.64 : x
  2. Step 2: Convert to fraction form
    21,663.36/32,495.12 = 6,882.64/x
  3. Step 3: Cross multiply
    21,663.36x = 32,495.12 × 6,882.64
  4. Step 4: Simplify right side
    21,663.36x = 223,652,212.72
  5. Step 5: Solve for x
    x = 223,652,212.72/21,663.36
  6. Step 6: Final answer
    x = 10,323.99

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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.