Home / 15,450.21-23,176.80-5,587.20

Finding the Fourth Proportional to 15,450.21, 23,176.80 and 5,587.20

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Solution

The fourth proportional to 15,450.21, 23,176.80 and 5,587.20 is: 8,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,450.21 : 23,176.80 = 5,587.20 : x
  2. Step 2: Convert to fraction form
    15,450.21/23,176.80 = 5,587.20/x
  3. Step 3: Cross multiply
    15,450.21x = 23,176.80 × 5,587.20
  4. Step 4: Simplify right side
    15,450.21x = 129,493,416.96
  5. Step 5: Solve for x
    x = 129,493,416.96/15,450.21
  6. Step 6: Final answer
    x = 8,381.34

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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.