Home / 20,344.68-30,501.36-9,809.28

Finding the Fourth Proportional to 20,344.68, 30,501.36 and 9,809.28

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Solution

The fourth proportional to 20,344.68, 30,501.36 and 9,809.28 is: 14,706.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.68 : 30,501.36 = 9,809.28 : x
  2. Step 2: Convert to fraction form
    20,344.68/30,501.36 = 9,809.28/x
  3. Step 3: Cross multiply
    20,344.68x = 30,501.36 × 9,809.28
  4. Step 4: Simplify right side
    20,344.68x = 299,196,380.62
  5. Step 5: Solve for x
    x = 299,196,380.62/20,344.68
  6. Step 6: Final answer
    x = 14,706.37

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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.