Home / 19,940.48-29,911.86-10,068.20

Finding the Fourth Proportional to 19,940.48, 29,911.86 and 10,068.20

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Solution

The fourth proportional to 19,940.48, 29,911.86 and 10,068.20 is: 15,102.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,940.48 : 29,911.86 = 10,068.20 : x
  2. Step 2: Convert to fraction form
    19,940.48/29,911.86 = 10,068.20/x
  3. Step 3: Cross multiply
    19,940.48x = 29,911.86 × 10,068.20
  4. Step 4: Simplify right side
    19,940.48x = 301,158,588.85
  5. Step 5: Solve for x
    x = 301,158,588.85/19,940.48
  6. Step 6: Final answer
    x = 15,102.88

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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.