Home / 19,803.38-29,705.45-7,316.96

Finding the Fourth Proportional to 19,803.38, 29,705.45 and 7,316.96

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Solution

The fourth proportional to 19,803.38, 29,705.45 and 7,316.96 is: 10,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.38 : 29,705.45 = 7,316.96 : x
  2. Step 2: Convert to fraction form
    19,803.38/29,705.45 = 7,316.96/x
  3. Step 3: Cross multiply
    19,803.38x = 29,705.45 × 7,316.96
  4. Step 4: Simplify right side
    19,803.38x = 217,353,404.32
  5. Step 5: Solve for x
    x = 217,353,404.32/19,803.38
  6. Step 6: Final answer
    x = 10,975.57

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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.