Home / 15,520.21-23,283.96-4,427.06

Finding the Fourth Proportional to 15,520.21, 23,283.96 and 4,427.06

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Solution

The fourth proportional to 15,520.21, 23,283.96 and 4,427.06 is: 6,641.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.21 : 23,283.96 = 4,427.06 : x
  2. Step 2: Convert to fraction form
    15,520.21/23,283.96 = 4,427.06/x
  3. Step 3: Cross multiply
    15,520.21x = 23,283.96 × 4,427.06
  4. Step 4: Simplify right side
    15,520.21x = 103,079,354.94
  5. Step 5: Solve for x
    x = 103,079,354.94/15,520.21
  6. Step 6: Final answer
    x = 6,641.62

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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.