Home / 21,484.28-29,646.31-12,051.02

Finding the Fourth Proportional to 21,484.28, 29,646.31 and 12,051.02

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Solution

The fourth proportional to 21,484.28, 29,646.31 and 12,051.02 is: 16,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.28 : 29,646.31 = 12,051.02 : x
  2. Step 2: Convert to fraction form
    21,484.28/29,646.31 = 12,051.02/x
  3. Step 3: Cross multiply
    21,484.28x = 29,646.31 × 12,051.02
  4. Step 4: Simplify right side
    21,484.28x = 357,268,274.74
  5. Step 5: Solve for x
    x = 357,268,274.74/21,484.28
  6. Step 6: Final answer
    x = 16,629.29

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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.