Home / 20,295.36-30,443.04-13,368.24

Finding the Fourth Proportional to 20,295.36, 30,443.04 and 13,368.24

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Solution

The fourth proportional to 20,295.36, 30,443.04 and 13,368.24 is: 20,052.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.36 : 30,443.04 = 13,368.24 : x
  2. Step 2: Convert to fraction form
    20,295.36/30,443.04 = 13,368.24/x
  3. Step 3: Cross multiply
    20,295.36x = 30,443.04 × 13,368.24
  4. Step 4: Simplify right side
    20,295.36x = 406,969,865.05
  5. Step 5: Solve for x
    x = 406,969,865.05/20,295.36
  6. Step 6: Final answer
    x = 20,052.36

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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.