Home / 14,503.74-20,015.55-8,217.06

Finding the Fourth Proportional to 14,503.74, 20,015.55 and 8,217.06

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Solution

The fourth proportional to 14,503.74, 20,015.55 and 8,217.06 is: 11,339.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.74 : 20,015.55 = 8,217.06 : x
  2. Step 2: Convert to fraction form
    14,503.74/20,015.55 = 8,217.06/x
  3. Step 3: Cross multiply
    14,503.74x = 20,015.55 × 8,217.06
  4. Step 4: Simplify right side
    14,503.74x = 164,468,975.28
  5. Step 5: Solve for x
    x = 164,468,975.28/14,503.74
  6. Step 6: Final answer
    x = 11,339.76

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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.