Home / 21,364.75-29,483.36-11,933.52

Finding the Fourth Proportional to 21,364.75, 29,483.36 and 11,933.52

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Solution

The fourth proportional to 21,364.75, 29,483.36 and 11,933.52 is: 16,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,364.75 : 29,483.36 = 11,933.52 : x
  2. Step 2: Convert to fraction form
    21,364.75/29,483.36 = 11,933.52/x
  3. Step 3: Cross multiply
    21,364.75x = 29,483.36 × 11,933.52
  4. Step 4: Simplify right side
    21,364.75x = 351,840,266.23
  5. Step 5: Solve for x
    x = 351,840,266.23/21,364.75
  6. Step 6: Final answer
    x = 16,468.26

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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.