Home / 21,484.47-32,219.01-7,440.73

Finding the Fourth Proportional to 21,484.47, 32,219.01 and 7,440.73

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Solution

The fourth proportional to 21,484.47, 32,219.01 and 7,440.73 is: 11,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.47 : 32,219.01 = 7,440.73 : x
  2. Step 2: Convert to fraction form
    21,484.47/32,219.01 = 7,440.73/x
  3. Step 3: Cross multiply
    21,484.47x = 32,219.01 × 7,440.73
  4. Step 4: Simplify right side
    21,484.47x = 239,732,873.73
  5. Step 5: Solve for x
    x = 239,732,873.73/21,484.47
  6. Step 6: Final answer
    x = 11,158.42

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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.