Home / 13,535.29-20,293.39-5,208.31

Finding the Fourth Proportional to 13,535.29, 20,293.39 and 5,208.31

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Solution

The fourth proportional to 13,535.29, 20,293.39 and 5,208.31 is: 7,808.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.29 : 20,293.39 = 5,208.31 : x
  2. Step 2: Convert to fraction form
    13,535.29/20,293.39 = 5,208.31/x
  3. Step 3: Cross multiply
    13,535.29x = 20,293.39 × 5,208.31
  4. Step 4: Simplify right side
    13,535.29x = 105,694,266.07
  5. Step 5: Solve for x
    x = 105,694,266.07/13,535.29
  6. Step 6: Final answer
    x = 7,808.79

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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.