Home / 10,628.76-15,947.46-5,368.68

Finding the Fourth Proportional to 10,628.76, 15,947.46 and 5,368.68

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Solution

The fourth proportional to 10,628.76, 15,947.46 and 5,368.68 is: 8,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.76 : 15,947.46 = 5,368.68 : x
  2. Step 2: Convert to fraction form
    10,628.76/15,947.46 = 5,368.68/x
  3. Step 3: Cross multiply
    10,628.76x = 15,947.46 × 5,368.68
  4. Step 4: Simplify right side
    10,628.76x = 85,616,809.55
  5. Step 5: Solve for x
    x = 85,616,809.55/10,628.76
  6. Step 6: Final answer
    x = 8,055.20

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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.