Home / 21,374.27-29,506.86-15,014.37

Finding the Fourth Proportional to 21,374.27, 29,506.86 and 15,014.37

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Solution

The fourth proportional to 21,374.27, 29,506.86 and 15,014.37 is: 20,727.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.27 : 29,506.86 = 15,014.37 : x
  2. Step 2: Convert to fraction form
    21,374.27/29,506.86 = 15,014.37/x
  3. Step 3: Cross multiply
    21,374.27x = 29,506.86 × 15,014.37
  4. Step 4: Simplify right side
    21,374.27x = 443,026,913.58
  5. Step 5: Solve for x
    x = 443,026,913.58/21,374.27
  6. Step 6: Final answer
    x = 20,727.12

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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.