Home / 14,454.20-19,946.79-8,166.57

Finding the Fourth Proportional to 14,454.20, 19,946.79 and 8,166.57

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Solution

The fourth proportional to 14,454.20, 19,946.79 and 8,166.57 is: 11,269.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.20 : 19,946.79 = 8,166.57 : x
  2. Step 2: Convert to fraction form
    14,454.20/19,946.79 = 8,166.57/x
  3. Step 3: Cross multiply
    14,454.20x = 19,946.79 × 8,166.57
  4. Step 4: Simplify right side
    14,454.20x = 162,896,856.81
  5. Step 5: Solve for x
    x = 162,896,856.81/14,454.20
  6. Step 6: Final answer
    x = 11,269.87

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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.