Home / 15,285.22-21,084.67-9,610.99

Finding the Fourth Proportional to 15,285.22, 21,084.67 and 9,610.99

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Solution

The fourth proportional to 15,285.22, 21,084.67 and 9,610.99 is: 13,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.22 : 21,084.67 = 9,610.99 : x
  2. Step 2: Convert to fraction form
    15,285.22/21,084.67 = 9,610.99/x
  3. Step 3: Cross multiply
    15,285.22x = 21,084.67 × 9,610.99
  4. Step 4: Simplify right side
    15,285.22x = 202,644,511.83
  5. Step 5: Solve for x
    x = 202,644,511.83/15,285.22
  6. Step 6: Final answer
    x = 13,257.54

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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.