Home / 21,085.44-29,074.17-14,374.98

Finding the Fourth Proportional to 21,085.44, 29,074.17 and 14,374.98

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Solution

The fourth proportional to 21,085.44, 29,074.17 and 14,374.98 is: 19,821.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085.44 : 29,074.17 = 14,374.98 : x
  2. Step 2: Convert to fraction form
    21,085.44/29,074.17 = 14,374.98/x
  3. Step 3: Cross multiply
    21,085.44x = 29,074.17 × 14,374.98
  4. Step 4: Simplify right side
    21,085.44x = 417,940,612.27
  5. Step 5: Solve for x
    x = 417,940,612.27/21,085.44
  6. Step 6: Final answer
    x = 19,821.29

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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.