Home / 13,287.03-19,893.63-6,693.22

Finding the Fourth Proportional to 13,287.03, 19,893.63 and 6,693.22

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Solution

The fourth proportional to 13,287.03, 19,893.63 and 6,693.22 is: 10,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287.03 : 19,893.63 = 6,693.22 : x
  2. Step 2: Convert to fraction form
    13,287.03/19,893.63 = 6,693.22/x
  3. Step 3: Cross multiply
    13,287.03x = 19,893.63 × 6,693.22
  4. Step 4: Simplify right side
    13,287.03x = 133,152,442.19
  5. Step 5: Solve for x
    x = 133,152,442.19/13,287.03
  6. Step 6: Final answer
    x = 10,021.23

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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.