Home / 20,208.04-30,294.78-13,267.24

Finding the Fourth Proportional to 20,208.04, 30,294.78 and 13,267.24

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Solution

The fourth proportional to 20,208.04, 30,294.78 and 13,267.24 is: 19,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.04 : 30,294.78 = 13,267.24 : x
  2. Step 2: Convert to fraction form
    20,208.04/30,294.78 = 13,267.24/x
  3. Step 3: Cross multiply
    20,208.04x = 30,294.78 × 13,267.24
  4. Step 4: Simplify right side
    20,208.04x = 401,928,117.01
  5. Step 5: Solve for x
    x = 401,928,117.01/20,208.04
  6. Step 6: Final answer
    x = 19,889.52

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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.