Home / 14,639.42-20,188.57-9,608.00

Finding the Fourth Proportional to 14,639.42, 20,188.57 and 9,608.00

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Solution

The fourth proportional to 14,639.42, 20,188.57 and 9,608.00 is: 13,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.42 : 20,188.57 = 9,608.00 : x
  2. Step 2: Convert to fraction form
    14,639.42/20,188.57 = 9,608.00/x
  3. Step 3: Cross multiply
    14,639.42x = 20,188.57 × 9,608.00
  4. Step 4: Simplify right side
    14,639.42x = 193,971,760.15
  5. Step 5: Solve for x
    x = 193,971,760.15/14,639.42
  6. Step 6: Final answer
    x = 13,249.96

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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.