Home / 21,561.34-32,342.10-5,977.84

Finding the Fourth Proportional to 21,561.34, 32,342.10 and 5,977.84

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Solution

The fourth proportional to 21,561.34, 32,342.10 and 5,977.84 is: 8,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,561.34 : 32,342.10 = 5,977.84 : x
  2. Step 2: Convert to fraction form
    21,561.34/32,342.10 = 5,977.84/x
  3. Step 3: Cross multiply
    21,561.34x = 32,342.10 × 5,977.84
  4. Step 4: Simplify right side
    21,561.34x = 193,335,899.06
  5. Step 5: Solve for x
    x = 193,335,899.06/21,561.34
  6. Step 6: Final answer
    x = 8,966.78

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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.