Home / 13,922.48-20,891.88-5,601.20

Finding the Fourth Proportional to 13,922.48, 20,891.88 and 5,601.20

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Solution

The fourth proportional to 13,922.48, 20,891.88 and 5,601.20 is: 8,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.48 : 20,891.88 = 5,601.20 : x
  2. Step 2: Convert to fraction form
    13,922.48/20,891.88 = 5,601.20/x
  3. Step 3: Cross multiply
    13,922.48x = 20,891.88 × 5,601.20
  4. Step 4: Simplify right side
    13,922.48x = 117,019,598.26
  5. Step 5: Solve for x
    x = 117,019,598.26/13,922.48
  6. Step 6: Final answer
    x = 8,405.08

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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.