Home / 11,424.50-17,139.27-4,856.30

Finding the Fourth Proportional to 11,424.50, 17,139.27 and 4,856.30

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Solution

The fourth proportional to 11,424.50, 17,139.27 and 4,856.30 is: 7,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.50 : 17,139.27 = 4,856.30 : x
  2. Step 2: Convert to fraction form
    11,424.50/17,139.27 = 4,856.30/x
  3. Step 3: Cross multiply
    11,424.50x = 17,139.27 × 4,856.30
  4. Step 4: Simplify right side
    11,424.50x = 83,233,436.90
  5. Step 5: Solve for x
    x = 83,233,436.90/11,424.50
  6. Step 6: Final answer
    x = 7,285.52

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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.