Home / 21,459.56-32,189.33-6,664.50

Finding the Fourth Proportional to 21,459.56, 32,189.33 and 6,664.50

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Solution

The fourth proportional to 21,459.56, 32,189.33 and 6,664.50 is: 9,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.56 : 32,189.33 = 6,664.50 : x
  2. Step 2: Convert to fraction form
    21,459.56/32,189.33 = 6,664.50/x
  3. Step 3: Cross multiply
    21,459.56x = 32,189.33 × 6,664.50
  4. Step 4: Simplify right side
    21,459.56x = 214,525,806.45
  5. Step 5: Solve for x
    x = 214,525,806.45/21,459.56
  6. Step 6: Final answer
    x = 9,996.75

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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.