Home / 14,122.89-21,081.17-13,095

Finding the Fourth Proportional to 14,122.89, 21,081.17 and 13,095

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Solution

The fourth proportional to 14,122.89, 21,081.17 and 13,095 is: 19,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.89 : 21,081.17 = 13,095 : x
  2. Step 2: Convert to fraction form
    14,122.89/21,081.17 = 13,095/x
  3. Step 3: Cross multiply
    14,122.89x = 21,081.17 × 13,095
  4. Step 4: Simplify right side
    14,122.89x = 276,057,953.89
  5. Step 5: Solve for x
    x = 276,057,953.89/14,122.89
  6. Step 6: Final answer
    x = 19,546.85

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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.