Home / 20,541.69-30,814.70-6,503.65

Finding the Fourth Proportional to 20,541.69, 30,814.70 and 6,503.65

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Solution

The fourth proportional to 20,541.69, 30,814.70 and 6,503.65 is: 9,756.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,541.69 : 30,814.70 = 6,503.65 : x
  2. Step 2: Convert to fraction form
    20,541.69/30,814.70 = 6,503.65/x
  3. Step 3: Cross multiply
    20,541.69x = 30,814.70 × 6,503.65
  4. Step 4: Simplify right side
    20,541.69x = 200,407,991.14
  5. Step 5: Solve for x
    x = 200,407,991.14/20,541.69
  6. Step 6: Final answer
    x = 9,756.16

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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.