Home / 10,407.20-14,361.60-9,560.02

Finding the Fourth Proportional to 10,407.20, 14,361.60 and 9,560.02

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Solution

The fourth proportional to 10,407.20, 14,361.60 and 9,560.02 is: 13,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.20 : 14,361.60 = 9,560.02 : x
  2. Step 2: Convert to fraction form
    10,407.20/14,361.60 = 9,560.02/x
  3. Step 3: Cross multiply
    10,407.20x = 14,361.60 × 9,560.02
  4. Step 4: Simplify right side
    10,407.20x = 137,297,183.23
  5. Step 5: Solve for x
    x = 137,297,183.23/10,407.20
  6. Step 6: Final answer
    x = 13,192.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.