Home / 21,191.04-29,243.93-11,630.75

Finding the Fourth Proportional to 21,191.04, 29,243.93 and 11,630.75

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Solution

The fourth proportional to 21,191.04, 29,243.93 and 11,630.75 is: 16,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,191.04 : 29,243.93 = 11,630.75 : x
  2. Step 2: Convert to fraction form
    21,191.04/29,243.93 = 11,630.75/x
  3. Step 3: Cross multiply
    21,191.04x = 29,243.93 × 11,630.75
  4. Step 4: Simplify right side
    21,191.04x = 340,128,634.47
  5. Step 5: Solve for x
    x = 340,128,634.47/21,191.04
  6. Step 6: Final answer
    x = 16,050.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.