Home / 15,234.18-21,032.24-9,573.72

Finding the Fourth Proportional to 15,234.18, 21,032.24 and 9,573.72

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Solution

The fourth proportional to 15,234.18, 21,032.24 and 9,573.72 is: 13,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234.18 : 21,032.24 = 9,573.72 : x
  2. Step 2: Convert to fraction form
    15,234.18/21,032.24 = 9,573.72/x
  3. Step 3: Cross multiply
    15,234.18x = 21,032.24 × 9,573.72
  4. Step 4: Simplify right side
    15,234.18x = 201,356,776.73
  5. Step 5: Solve for x
    x = 201,356,776.73/15,234.18
  6. Step 6: Final answer
    x = 13,217.43

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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.