Home / 21,764.07-32,648.46-9,285.41

Finding the Fourth Proportional to 21,764.07, 32,648.46 and 9,285.41

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Solution

The fourth proportional to 21,764.07, 32,648.46 and 9,285.41 is: 13,929.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.07 : 32,648.46 = 9,285.41 : x
  2. Step 2: Convert to fraction form
    21,764.07/32,648.46 = 9,285.41/x
  3. Step 3: Cross multiply
    21,764.07x = 32,648.46 × 9,285.41
  4. Step 4: Simplify right side
    21,764.07x = 303,154,383.77
  5. Step 5: Solve for x
    x = 303,154,383.77/21,764.07
  6. Step 6: Final answer
    x = 13,929.12

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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.