Home / 15,434.66-21,288.96-9,469.22

Finding the Fourth Proportional to 15,434.66, 21,288.96 and 9,469.22

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Solution

The fourth proportional to 15,434.66, 21,288.96 and 9,469.22 is: 13,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,434.66 : 21,288.96 = 9,469.22 : x
  2. Step 2: Convert to fraction form
    15,434.66/21,288.96 = 9,469.22/x
  3. Step 3: Cross multiply
    15,434.66x = 21,288.96 × 9,469.22
  4. Step 4: Simplify right side
    15,434.66x = 201,589,845.81
  5. Step 5: Solve for x
    x = 201,589,845.81/15,434.66
  6. Step 6: Final answer
    x = 13,060.85

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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.