Home / 20,378.02-30,560.72-9,841.49

Finding the Fourth Proportional to 20,378.02, 30,560.72 and 9,841.49

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Solution

The fourth proportional to 20,378.02, 30,560.72 and 9,841.49 is: 14,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,378.02 : 30,560.72 = 9,841.49 : x
  2. Step 2: Convert to fraction form
    20,378.02/30,560.72 = 9,841.49/x
  3. Step 3: Cross multiply
    20,378.02x = 30,560.72 × 9,841.49
  4. Step 4: Simplify right side
    20,378.02x = 300,762,971.07
  5. Step 5: Solve for x
    x = 300,762,971.07/20,378.02
  6. Step 6: Final answer
    x = 14,759.19

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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.