Home / 20,333.63-30,496.99-5,539.09

Finding the Fourth Proportional to 20,333.63, 30,496.99 and 5,539.09

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Solution

The fourth proportional to 20,333.63, 30,496.99 and 5,539.09 is: 8,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.63 : 30,496.99 = 5,539.09 : x
  2. Step 2: Convert to fraction form
    20,333.63/30,496.99 = 5,539.09/x
  3. Step 3: Cross multiply
    20,333.63x = 30,496.99 × 5,539.09
  4. Step 4: Simplify right side
    20,333.63x = 168,925,482.25
  5. Step 5: Solve for x
    x = 168,925,482.25/20,333.63
  6. Step 6: Final answer
    x = 8,307.69

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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.