Home / 13,022.08-19,535.20-5,628.78

Finding the Fourth Proportional to 13,022.08, 19,535.20 and 5,628.78

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Solution

The fourth proportional to 13,022.08, 19,535.20 and 5,628.78 is: 8,444.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,022.08 : 19,535.20 = 5,628.78 : x
  2. Step 2: Convert to fraction form
    13,022.08/19,535.20 = 5,628.78/x
  3. Step 3: Cross multiply
    13,022.08x = 19,535.20 × 5,628.78
  4. Step 4: Simplify right side
    13,022.08x = 109,959,343.06
  5. Step 5: Solve for x
    x = 109,959,343.06/13,022.08
  6. Step 6: Final answer
    x = 8,444.07

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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.