Home / 15,954.48-22,012.74-9,579.36

Finding the Fourth Proportional to 15,954.48, 22,012.74 and 9,579.36

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Solution

The fourth proportional to 15,954.48, 22,012.74 and 9,579.36 is: 13,216.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,954.48 : 22,012.74 = 9,579.36 : x
  2. Step 2: Convert to fraction form
    15,954.48/22,012.74 = 9,579.36/x
  3. Step 3: Cross multiply
    15,954.48x = 22,012.74 × 9,579.36
  4. Step 4: Simplify right side
    15,954.48x = 210,867,961.05
  5. Step 5: Solve for x
    x = 210,867,961.05/15,954.48
  6. Step 6: Final answer
    x = 13,216.85

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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.