Home / 10,784.88-16,176.24-4,937.76

Finding the Fourth Proportional to 10,784.88, 16,176.24 and 4,937.76

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Solution

The fourth proportional to 10,784.88, 16,176.24 and 4,937.76 is: 7,406.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.88 : 16,176.24 = 4,937.76 : x
  2. Step 2: Convert to fraction form
    10,784.88/16,176.24 = 4,937.76/x
  3. Step 3: Cross multiply
    10,784.88x = 16,176.24 × 4,937.76
  4. Step 4: Simplify right side
    10,784.88x = 79,874,390.82
  5. Step 5: Solve for x
    x = 79,874,390.82/10,784.88
  6. Step 6: Final answer
    x = 7,406.15

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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.