Home / 21,581.24-32,384.22-9,894.56

Finding the Fourth Proportional to 21,581.24, 32,384.22 and 9,894.56

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Solution

The fourth proportional to 21,581.24, 32,384.22 and 9,894.56 is: 14,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.24 : 32,384.22 = 9,894.56 : x
  2. Step 2: Convert to fraction form
    21,581.24/32,384.22 = 9,894.56/x
  3. Step 3: Cross multiply
    21,581.24x = 32,384.22 × 9,894.56
  4. Step 4: Simplify right side
    21,581.24x = 320,427,607.84
  5. Step 5: Solve for x
    x = 320,427,607.84/21,581.24
  6. Step 6: Final answer
    x = 14,847.51

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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.