Home / 11,424.87-15,766.41-6,320.29

Finding the Fourth Proportional to 11,424.87, 15,766.41 and 6,320.29

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Solution

The fourth proportional to 11,424.87, 15,766.41 and 6,320.29 is: 8,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.87 : 15,766.41 = 6,320.29 : x
  2. Step 2: Convert to fraction form
    11,424.87/15,766.41 = 6,320.29/x
  3. Step 3: Cross multiply
    11,424.87x = 15,766.41 × 6,320.29
  4. Step 4: Simplify right side
    11,424.87x = 99,648,283.46
  5. Step 5: Solve for x
    x = 99,648,283.46/11,424.87
  6. Step 6: Final answer
    x = 8,722.05

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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.