Home / 15,391.72-23,088.89-4,858.92

Finding the Fourth Proportional to 15,391.72, 23,088.89 and 4,858.92

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Solution

The fourth proportional to 15,391.72, 23,088.89 and 4,858.92 is: 7,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.72 : 23,088.89 = 4,858.92 : x
  2. Step 2: Convert to fraction form
    15,391.72/23,088.89 = 4,858.92/x
  3. Step 3: Cross multiply
    15,391.72x = 23,088.89 × 4,858.92
  4. Step 4: Simplify right side
    15,391.72x = 112,187,016.24
  5. Step 5: Solve for x
    x = 112,187,016.24/15,391.72
  6. Step 6: Final answer
    x = 7,288.79

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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.