Home / 21,606.48-32,409.72-6,816.89

Finding the Fourth Proportional to 21,606.48, 32,409.72 and 6,816.89

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Solution

The fourth proportional to 21,606.48, 32,409.72 and 6,816.89 is: 10,225.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,606.48 : 32,409.72 = 6,816.89 : x
  2. Step 2: Convert to fraction form
    21,606.48/32,409.72 = 6,816.89/x
  3. Step 3: Cross multiply
    21,606.48x = 32,409.72 × 6,816.89
  4. Step 4: Simplify right side
    21,606.48x = 220,933,577.20
  5. Step 5: Solve for x
    x = 220,933,577.20/21,606.48
  6. Step 6: Final answer
    x = 10,225.34

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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.