Home / 20,454.03-30,681.09-5,662.99

Finding the Fourth Proportional to 20,454.03, 30,681.09 and 5,662.99

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Solution

The fourth proportional to 20,454.03, 30,681.09 and 5,662.99 is: 8,494.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454.03 : 30,681.09 = 5,662.99 : x
  2. Step 2: Convert to fraction form
    20,454.03/30,681.09 = 5,662.99/x
  3. Step 3: Cross multiply
    20,454.03x = 30,681.09 × 5,662.99
  4. Step 4: Simplify right side
    20,454.03x = 173,746,677.54
  5. Step 5: Solve for x
    x = 173,746,677.54/20,454.03
  6. Step 6: Final answer
    x = 8,494.50

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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.