Home / 10,384.05-15,573.78-2,986.86

Finding the Fourth Proportional to 10,384.05, 15,573.78 and 2,986.86

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Solution

The fourth proportional to 10,384.05, 15,573.78 and 2,986.86 is: 4,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.05 : 15,573.78 = 2,986.86 : x
  2. Step 2: Convert to fraction form
    10,384.05/15,573.78 = 2,986.86/x
  3. Step 3: Cross multiply
    10,384.05x = 15,573.78 × 2,986.86
  4. Step 4: Simplify right side
    10,384.05x = 46,516,700.53
  5. Step 5: Solve for x
    x = 46,516,700.53/10,384.05
  6. Step 6: Final answer
    x = 4,479.63

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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.