Home / 15,447.36-23,171.86-4,916.66

Finding the Fourth Proportional to 15,447.36, 23,171.86 and 4,916.66

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Solution

The fourth proportional to 15,447.36, 23,171.86 and 4,916.66 is: 7,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.36 : 23,171.86 = 4,916.66 : x
  2. Step 2: Convert to fraction form
    15,447.36/23,171.86 = 4,916.66/x
  3. Step 3: Cross multiply
    15,447.36x = 23,171.86 × 4,916.66
  4. Step 4: Simplify right side
    15,447.36x = 113,928,157.19
  5. Step 5: Solve for x
    x = 113,928,157.19/15,447.36
  6. Step 6: Final answer
    x = 7,375.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.