Home / 10,630.35-15,947.46-4,389.15

Finding the Fourth Proportional to 10,630.35, 15,947.46 and 4,389.15

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Solution

The fourth proportional to 10,630.35, 15,947.46 and 4,389.15 is: 6,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.35 : 15,947.46 = 4,389.15 : x
  2. Step 2: Convert to fraction form
    10,630.35/15,947.46 = 4,389.15/x
  3. Step 3: Cross multiply
    10,630.35x = 15,947.46 × 4,389.15
  4. Step 4: Simplify right side
    10,630.35x = 69,995,794.06
  5. Step 5: Solve for x
    x = 69,995,794.06/10,630.35
  6. Step 6: Final answer
    x = 6,584.52

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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.