Home / 21,022.73-31,533.95-6,231.72

Finding the Fourth Proportional to 21,022.73, 31,533.95 and 6,231.72

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Solution

The fourth proportional to 21,022.73, 31,533.95 and 6,231.72 is: 9,347.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022.73 : 31,533.95 = 6,231.72 : x
  2. Step 2: Convert to fraction form
    21,022.73/31,533.95 = 6,231.72/x
  3. Step 3: Cross multiply
    21,022.73x = 31,533.95 × 6,231.72
  4. Step 4: Simplify right side
    21,022.73x = 196,510,715.74
  5. Step 5: Solve for x
    x = 196,510,715.74/21,022.73
  6. Step 6: Final answer
    x = 9,347.54

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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.