Home / 10,509.08-15,753.94-3,578.76

Finding the Fourth Proportional to 10,509.08, 15,753.94 and 3,578.76

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Solution

The fourth proportional to 10,509.08, 15,753.94 and 3,578.76 is: 5,364.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.08 : 15,753.94 = 3,578.76 : x
  2. Step 2: Convert to fraction form
    10,509.08/15,753.94 = 3,578.76/x
  3. Step 3: Cross multiply
    10,509.08x = 15,753.94 × 3,578.76
  4. Step 4: Simplify right side
    10,509.08x = 56,379,570.31
  5. Step 5: Solve for x
    x = 56,379,570.31/10,509.08
  6. Step 6: Final answer
    x = 5,364.84

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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.