Home / 15,048.66-22,558.11-7,137.30

Finding the Fourth Proportional to 15,048.66, 22,558.11 and 7,137.30

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Solution

The fourth proportional to 15,048.66, 22,558.11 and 7,137.30 is: 10,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,048.66 : 22,558.11 = 7,137.30 : x
  2. Step 2: Convert to fraction form
    15,048.66/22,558.11 = 7,137.30/x
  3. Step 3: Cross multiply
    15,048.66x = 22,558.11 × 7,137.30
  4. Step 4: Simplify right side
    15,048.66x = 161,003,998.50
  5. Step 5: Solve for x
    x = 161,003,998.50/15,048.66
  6. Step 6: Final answer
    x = 10,698.89

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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.