Home / 10,529.38-14,530.08-5,813.56

Finding the Fourth Proportional to 10,529.38, 14,530.08 and 5,813.56

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Solution

The fourth proportional to 10,529.38, 14,530.08 and 5,813.56 is: 8,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.38 : 14,530.08 = 5,813.56 : x
  2. Step 2: Convert to fraction form
    10,529.38/14,530.08 = 5,813.56/x
  3. Step 3: Cross multiply
    10,529.38x = 14,530.08 × 5,813.56
  4. Step 4: Simplify right side
    10,529.38x = 84,471,491.88
  5. Step 5: Solve for x
    x = 84,471,491.88/10,529.38
  6. Step 6: Final answer
    x = 8,022.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.