Home / 15,380.73-23,070.67-4,286.97

Finding the Fourth Proportional to 15,380.73, 23,070.67 and 4,286.97

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Solution

The fourth proportional to 15,380.73, 23,070.67 and 4,286.97 is: 6,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,380.73 : 23,070.67 = 4,286.97 : x
  2. Step 2: Convert to fraction form
    15,380.73/23,070.67 = 4,286.97/x
  3. Step 3: Cross multiply
    15,380.73x = 23,070.67 × 4,286.97
  4. Step 4: Simplify right side
    15,380.73x = 98,903,259.45
  5. Step 5: Solve for x
    x = 98,903,259.45/15,380.73
  6. Step 6: Final answer
    x = 6,430.34

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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.