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Finding the Fourth Proportional to 14,739.74, 22,085.90 and 7,336.74

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Solution

The fourth proportional to 14,739.74, 22,085.90 and 7,336.74 is: 10,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.74 : 22,085.90 = 7,336.74 : x
  2. Step 2: Convert to fraction form
    14,739.74/22,085.90 = 7,336.74/x
  3. Step 3: Cross multiply
    14,739.74x = 22,085.90 × 7,336.74
  4. Step 4: Simplify right side
    14,739.74x = 162,038,505.97
  5. Step 5: Solve for x
    x = 162,038,505.97/14,739.74
  6. Step 6: Final answer
    x = 10,993.31

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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.