Home / 15,285.08-21,084.45-9,610.83

Finding the Fourth Proportional to 15,285.08, 21,084.45 and 9,610.83

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Solution

The fourth proportional to 15,285.08, 21,084.45 and 9,610.83 is: 13,257.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.08 : 21,084.45 = 9,610.83 : x
  2. Step 2: Convert to fraction form
    15,285.08/21,084.45 = 9,610.83/x
  3. Step 3: Cross multiply
    15,285.08x = 21,084.45 × 9,610.83
  4. Step 4: Simplify right side
    15,285.08x = 202,639,016.54
  5. Step 5: Solve for x
    x = 202,639,016.54/15,285.08
  6. Step 6: Final answer
    x = 13,257.31

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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.