Home / 18,671.43-25,766.58-10,287.93

Finding the Fourth Proportional to 18,671.43, 25,766.58 and 10,287.93

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Solution

The fourth proportional to 18,671.43, 25,766.58 and 10,287.93 is: 14,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,671.43 : 25,766.58 = 10,287.93 : x
  2. Step 2: Convert to fraction form
    18,671.43/25,766.58 = 10,287.93/x
  3. Step 3: Cross multiply
    18,671.43x = 25,766.58 × 10,287.93
  4. Step 4: Simplify right side
    18,671.43x = 265,084,771.38
  5. Step 5: Solve for x
    x = 265,084,771.38/18,671.43
  6. Step 6: Final answer
    x = 14,197.35

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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.