Home / 20,074.21-30,094.90-7,587.16

Finding the Fourth Proportional to 20,074.21, 30,094.90 and 7,587.16

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Solution

The fourth proportional to 20,074.21, 30,094.90 and 7,587.16 is: 11,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,074.21 : 30,094.90 = 7,587.16 : x
  2. Step 2: Convert to fraction form
    20,074.21/30,094.90 = 7,587.16/x
  3. Step 3: Cross multiply
    20,074.21x = 30,094.90 × 7,587.16
  4. Step 4: Simplify right side
    20,074.21x = 228,334,821.48
  5. Step 5: Solve for x
    x = 228,334,821.48/20,074.21
  6. Step 6: Final answer
    x = 11,374.54

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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.