Home / 10,621.09-15,933.57-4,377.70

Finding the Fourth Proportional to 10,621.09, 15,933.57 and 4,377.70

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Solution

The fourth proportional to 10,621.09, 15,933.57 and 4,377.70 is: 6,567.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.09 : 15,933.57 = 4,377.70 : x
  2. Step 2: Convert to fraction form
    10,621.09/15,933.57 = 4,377.70/x
  3. Step 3: Cross multiply
    10,621.09x = 15,933.57 × 4,377.70
  4. Step 4: Simplify right side
    10,621.09x = 69,752,389.39
  5. Step 5: Solve for x
    x = 69,752,389.39/10,621.09
  6. Step 6: Final answer
    x = 6,567.35

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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.