Home / 14,141.25-21,088.44-12,394.35

Finding the Fourth Proportional to 14,141.25, 21,088.44 and 12,394.35

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Solution

The fourth proportional to 14,141.25, 21,088.44 and 12,394.35 is: 18,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.25 : 21,088.44 = 12,394.35 : x
  2. Step 2: Convert to fraction form
    14,141.25/21,088.44 = 12,394.35/x
  3. Step 3: Cross multiply
    14,141.25x = 21,088.44 × 12,394.35
  4. Step 4: Simplify right side
    14,141.25x = 261,377,506.31
  5. Step 5: Solve for x
    x = 261,377,506.31/14,141.25
  6. Step 6: Final answer
    x = 18,483.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.