Home / 10,289.97-15,440.58-4,365.95

Finding the Fourth Proportional to 10,289.97, 15,440.58 and 4,365.95

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Solution

The fourth proportional to 10,289.97, 15,440.58 and 4,365.95 is: 6,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,289.97 : 15,440.58 = 4,365.95 : x
  2. Step 2: Convert to fraction form
    10,289.97/15,440.58 = 4,365.95/x
  3. Step 3: Cross multiply
    10,289.97x = 15,440.58 × 4,365.95
  4. Step 4: Simplify right side
    10,289.97x = 67,412,723.05
  5. Step 5: Solve for x
    x = 67,412,723.05/10,289.97
  6. Step 6: Final answer
    x = 6,551.30

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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.