Home / 15,391.29-23,091.80-6,630.33

Finding the Fourth Proportional to 15,391.29, 23,091.80 and 6,630.33

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Solution

The fourth proportional to 15,391.29, 23,091.80 and 6,630.33 is: 9,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391.29 : 23,091.80 = 6,630.33 : x
  2. Step 2: Convert to fraction form
    15,391.29/23,091.80 = 6,630.33/x
  3. Step 3: Cross multiply
    15,391.29x = 23,091.80 × 6,630.33
  4. Step 4: Simplify right side
    15,391.29x = 153,106,221.14
  5. Step 5: Solve for x
    x = 153,106,221.14/15,391.29
  6. Step 6: Final answer
    x = 9,947.59

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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.