Home / 20,110.78-30,165.84-6,070.24

Finding the Fourth Proportional to 20,110.78, 30,165.84 and 6,070.24

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Solution

The fourth proportional to 20,110.78, 30,165.84 and 6,070.24 is: 9,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.78 : 30,165.84 = 6,070.24 : x
  2. Step 2: Convert to fraction form
    20,110.78/30,165.84 = 6,070.24/x
  3. Step 3: Cross multiply
    20,110.78x = 30,165.84 × 6,070.24
  4. Step 4: Simplify right side
    20,110.78x = 183,113,888.60
  5. Step 5: Solve for x
    x = 183,113,888.60/20,110.78
  6. Step 6: Final answer
    x = 9,105.26

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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.