Home / 15,003.70-22,508.69-5,643.54

Finding the Fourth Proportional to 15,003.70, 22,508.69 and 5,643.54

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Solution

The fourth proportional to 15,003.70, 22,508.69 and 5,643.54 is: 8,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,003.70 : 22,508.69 = 5,643.54 : x
  2. Step 2: Convert to fraction form
    15,003.70/22,508.69 = 5,643.54/x
  3. Step 3: Cross multiply
    15,003.70x = 22,508.69 × 5,643.54
  4. Step 4: Simplify right side
    15,003.70x = 127,028,664.14
  5. Step 5: Solve for x
    x = 127,028,664.14/15,003.70
  6. Step 6: Final answer
    x = 8,466.49

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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.