Home / 15,029.28-20,735.46-8,740.44

Finding the Fourth Proportional to 15,029.28, 20,735.46 and 8,740.44

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Solution

The fourth proportional to 15,029.28, 20,735.46 and 8,740.44 is: 12,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.28 : 20,735.46 = 8,740.44 : x
  2. Step 2: Convert to fraction form
    15,029.28/20,735.46 = 8,740.44/x
  3. Step 3: Cross multiply
    15,029.28x = 20,735.46 × 8,740.44
  4. Step 4: Simplify right side
    15,029.28x = 181,237,044.00
  5. Step 5: Solve for x
    x = 181,237,044.00/15,029.28
  6. Step 6: Final answer
    x = 12,058.93

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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.