Home / 15,458.15-23,151.16-11,287.81

Finding the Fourth Proportional to 15,458.15, 23,151.16 and 11,287.81

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Solution

The fourth proportional to 15,458.15, 23,151.16 and 11,287.81 is: 16,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.15 : 23,151.16 = 11,287.81 : x
  2. Step 2: Convert to fraction form
    15,458.15/23,151.16 = 11,287.81/x
  3. Step 3: Cross multiply
    15,458.15x = 23,151.16 × 11,287.81
  4. Step 4: Simplify right side
    15,458.15x = 261,325,895.36
  5. Step 5: Solve for x
    x = 261,325,895.36/15,458.15
  6. Step 6: Final answer
    x = 16,905.38

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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.