Home / 19,787.62-29,693.37-10,434.55

Finding the Fourth Proportional to 19,787.62, 29,693.37 and 10,434.55

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Solution

The fourth proportional to 19,787.62, 29,693.37 and 10,434.55 is: 15,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787.62 : 29,693.37 = 10,434.55 : x
  2. Step 2: Convert to fraction form
    19,787.62/29,693.37 = 10,434.55/x
  3. Step 3: Cross multiply
    19,787.62x = 29,693.37 × 10,434.55
  4. Step 4: Simplify right side
    19,787.62x = 309,836,953.93
  5. Step 5: Solve for x
    x = 309,836,953.93/19,787.62
  6. Step 6: Final answer
    x = 15,658.12

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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.