Home / 21,551.13-32,330.34-9,865.26

Finding the Fourth Proportional to 21,551.13, 32,330.34 and 9,865.26

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Solution

The fourth proportional to 21,551.13, 32,330.34 and 9,865.26 is: 14,799.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.13 : 32,330.34 = 9,865.26 : x
  2. Step 2: Convert to fraction form
    21,551.13/32,330.34 = 9,865.26/x
  3. Step 3: Cross multiply
    21,551.13x = 32,330.34 × 9,865.26
  4. Step 4: Simplify right side
    21,551.13x = 318,947,209.99
  5. Step 5: Solve for x
    x = 318,947,209.99/21,551.13
  6. Step 6: Final answer
    x = 14,799.56

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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.