Home / 13,388.59-20,069.67-6,356.26

Finding the Fourth Proportional to 13,388.59, 20,069.67 and 6,356.26

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Solution

The fourth proportional to 13,388.59, 20,069.67 and 6,356.26 is: 9,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.59 : 20,069.67 = 6,356.26 : x
  2. Step 2: Convert to fraction form
    13,388.59/20,069.67 = 6,356.26/x
  3. Step 3: Cross multiply
    13,388.59x = 20,069.67 × 6,356.26
  4. Step 4: Simplify right side
    13,388.59x = 127,568,040.63
  5. Step 5: Solve for x
    x = 127,568,040.63/13,388.59
  6. Step 6: Final answer
    x = 9,528.12

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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.