Home / 23,438.55-35,142.17-12,913.62

Finding the Fourth Proportional to 23,438.55, 35,142.17 and 12,913.62

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Solution

The fourth proportional to 23,438.55, 35,142.17 and 12,913.62 is: 19,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.55 : 35,142.17 = 12,913.62 : x
  2. Step 2: Convert to fraction form
    23,438.55/35,142.17 = 12,913.62/x
  3. Step 3: Cross multiply
    23,438.55x = 35,142.17 × 12,913.62
  4. Step 4: Simplify right side
    23,438.55x = 453,812,629.36
  5. Step 5: Solve for x
    x = 453,812,629.36/23,438.55
  6. Step 6: Final answer
    x = 19,361.80

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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.