Home / 19,939.75-29,914.81-7,460.74

Finding the Fourth Proportional to 19,939.75, 29,914.81 and 7,460.74

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Solution

The fourth proportional to 19,939.75, 29,914.81 and 7,460.74 is: 11,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.75 : 29,914.81 = 7,460.74 : x
  2. Step 2: Convert to fraction form
    19,939.75/29,914.81 = 7,460.74/x
  3. Step 3: Cross multiply
    19,939.75x = 29,914.81 × 7,460.74
  4. Step 4: Simplify right side
    19,939.75x = 223,186,619.56
  5. Step 5: Solve for x
    x = 223,186,619.56/19,939.75
  6. Step 6: Final answer
    x = 11,193.05

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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.