Home / 21,607.45-32,398.21-8,444.14

Finding the Fourth Proportional to 21,607.45, 32,398.21 and 8,444.14

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Solution

The fourth proportional to 21,607.45, 32,398.21 and 8,444.14 is: 12,661.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.45 : 32,398.21 = 8,444.14 : x
  2. Step 2: Convert to fraction form
    21,607.45/32,398.21 = 8,444.14/x
  3. Step 3: Cross multiply
    21,607.45x = 32,398.21 × 8,444.14
  4. Step 4: Simplify right side
    21,607.45x = 273,575,020.99
  5. Step 5: Solve for x
    x = 273,575,020.99/21,607.45
  6. Step 6: Final answer
    x = 12,661.14

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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.