Home / 10,857.24-16,288.32-3,931.74

Finding the Fourth Proportional to 10,857.24, 16,288.32 and 3,931.74

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Solution

The fourth proportional to 10,857.24, 16,288.32 and 3,931.74 is: 5,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.24 : 16,288.32 = 3,931.74 : x
  2. Step 2: Convert to fraction form
    10,857.24/16,288.32 = 3,931.74/x
  3. Step 3: Cross multiply
    10,857.24x = 16,288.32 × 3,931.74
  4. Step 4: Simplify right side
    10,857.24x = 64,041,439.28
  5. Step 5: Solve for x
    x = 64,041,439.28/10,857.24
  6. Step 6: Final answer
    x = 5,898.50

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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.