Home / 15,470.88-21,355.34-9,183.25

Finding the Fourth Proportional to 15,470.88, 21,355.34 and 9,183.25

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Solution

The fourth proportional to 15,470.88, 21,355.34 and 9,183.25 is: 12,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.88 : 21,355.34 = 9,183.25 : x
  2. Step 2: Convert to fraction form
    15,470.88/21,355.34 = 9,183.25/x
  3. Step 3: Cross multiply
    15,470.88x = 21,355.34 × 9,183.25
  4. Step 4: Simplify right side
    15,470.88x = 196,111,426.06
  5. Step 5: Solve for x
    x = 196,111,426.06/15,470.88
  6. Step 6: Final answer
    x = 12,676.16

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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.