Home / 21,657.21-32,486.30-6,074.49

Finding the Fourth Proportional to 21,657.21, 32,486.30 and 6,074.49

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Solution

The fourth proportional to 21,657.21, 32,486.30 and 6,074.49 is: 9,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.21 : 32,486.30 = 6,074.49 : x
  2. Step 2: Convert to fraction form
    21,657.21/32,486.30 = 6,074.49/x
  3. Step 3: Cross multiply
    21,657.21x = 32,486.30 × 6,074.49
  4. Step 4: Simplify right side
    21,657.21x = 197,337,674.11
  5. Step 5: Solve for x
    x = 197,337,674.11/21,657.21
  6. Step 6: Final answer
    x = 9,111.87

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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.