Home / 10,628.97-15,929.56-4,381.84

Finding the Fourth Proportional to 10,628.97, 15,929.56 and 4,381.84

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Solution

The fourth proportional to 10,628.97, 15,929.56 and 4,381.84 is: 6,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.97 : 15,929.56 = 4,381.84 : x
  2. Step 2: Convert to fraction form
    10,628.97/15,929.56 = 4,381.84/x
  3. Step 3: Cross multiply
    10,628.97x = 15,929.56 × 4,381.84
  4. Step 4: Simplify right side
    10,628.97x = 69,800,783.19
  5. Step 5: Solve for x
    x = 69,800,783.19/10,628.97
  6. Step 6: Final answer
    x = 6,567.03

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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.