Home / 21,365.02-29,484.12-11,933.56

Finding the Fourth Proportional to 21,365.02, 29,484.12 and 11,933.56

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Solution

The fourth proportional to 21,365.02, 29,484.12 and 11,933.56 is: 16,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,365.02 : 29,484.12 = 11,933.56 : x
  2. Step 2: Convert to fraction form
    21,365.02/29,484.12 = 11,933.56/x
  3. Step 3: Cross multiply
    21,365.02x = 29,484.12 × 11,933.56
  4. Step 4: Simplify right side
    21,365.02x = 351,850,515.07
  5. Step 5: Solve for x
    x = 351,850,515.07/21,365.02
  6. Step 6: Final answer
    x = 16,468.53

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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.