Home / 21,474.41-32,202.69-8,319.20

Finding the Fourth Proportional to 21,474.41, 32,202.69 and 8,319.20

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Solution

The fourth proportional to 21,474.41, 32,202.69 and 8,319.20 is: 12,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.41 : 32,202.69 = 8,319.20 : x
  2. Step 2: Convert to fraction form
    21,474.41/32,202.69 = 8,319.20/x
  3. Step 3: Cross multiply
    21,474.41x = 32,202.69 × 8,319.20
  4. Step 4: Simplify right side
    21,474.41x = 267,900,457.63
  5. Step 5: Solve for x
    x = 267,900,457.63/21,474.41
  6. Step 6: Final answer
    x = 12,475.34

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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.