Home / 15,795.98-21,798.26-9,081.65

Finding the Fourth Proportional to 15,795.98, 21,798.26 and 9,081.65

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Solution

The fourth proportional to 15,795.98, 21,798.26 and 9,081.65 is: 12,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,795.98 : 21,798.26 = 9,081.65 : x
  2. Step 2: Convert to fraction form
    15,795.98/21,798.26 = 9,081.65/x
  3. Step 3: Cross multiply
    15,795.98x = 21,798.26 × 9,081.65
  4. Step 4: Simplify right side
    15,795.98x = 197,964,013.53
  5. Step 5: Solve for x
    x = 197,964,013.53/15,795.98
  6. Step 6: Final answer
    x = 12,532.56

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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.