Home / 21,500.35-32,263.21-8,184.56

Finding the Fourth Proportional to 21,500.35, 32,263.21 and 8,184.56

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Solution

The fourth proportional to 21,500.35, 32,263.21 and 8,184.56 is: 12,281.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,500.35 : 32,263.21 = 8,184.56 : x
  2. Step 2: Convert to fraction form
    21,500.35/32,263.21 = 8,184.56/x
  3. Step 3: Cross multiply
    21,500.35x = 32,263.21 × 8,184.56
  4. Step 4: Simplify right side
    21,500.35x = 264,060,178.04
  5. Step 5: Solve for x
    x = 264,060,178.04/21,500.35
  6. Step 6: Final answer
    x = 12,281.67

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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.