Home / 21,764.55-32,647.60-6,971.55

Finding the Fourth Proportional to 21,764.55, 32,647.60 and 6,971.55

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Solution

The fourth proportional to 21,764.55, 32,647.60 and 6,971.55 is: 10,457.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.55 : 32,647.60 = 6,971.55 : x
  2. Step 2: Convert to fraction form
    21,764.55/32,647.60 = 6,971.55/x
  3. Step 3: Cross multiply
    21,764.55x = 32,647.60 × 6,971.55
  4. Step 4: Simplify right side
    21,764.55x = 227,604,375.78
  5. Step 5: Solve for x
    x = 227,604,375.78/21,764.55
  6. Step 6: Final answer
    x = 10,457.57

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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.