Home / 15,768.76-21,759.60-9,052.24

Finding the Fourth Proportional to 15,768.76, 21,759.60 and 9,052.24

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Solution

The fourth proportional to 15,768.76, 21,759.60 and 9,052.24 is: 12,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,768.76 : 21,759.60 = 9,052.24 : x
  2. Step 2: Convert to fraction form
    15,768.76/21,759.60 = 9,052.24/x
  3. Step 3: Cross multiply
    15,768.76x = 21,759.60 × 9,052.24
  4. Step 4: Simplify right side
    15,768.76x = 196,973,121.50
  5. Step 5: Solve for x
    x = 196,973,121.50/15,768.76
  6. Step 6: Final answer
    x = 12,491.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.