Home / 10,630.36-15,945.36-4,782.84

Finding the Fourth Proportional to 10,630.36, 15,945.36 and 4,782.84

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Solution

The fourth proportional to 10,630.36, 15,945.36 and 4,782.84 is: 7,174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.36 : 15,945.36 = 4,782.84 : x
  2. Step 2: Convert to fraction form
    10,630.36/15,945.36 = 4,782.84/x
  3. Step 3: Cross multiply
    10,630.36x = 15,945.36 × 4,782.84
  4. Step 4: Simplify right side
    10,630.36x = 76,264,105.62
  5. Step 5: Solve for x
    x = 76,264,105.62/10,630.36
  6. Step 6: Final answer
    x = 7,174.18

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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.