Home / 14,102.98-21,151.82-7,081.10

Finding the Fourth Proportional to 14,102.98, 21,151.82 and 7,081.10

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Solution

The fourth proportional to 14,102.98, 21,151.82 and 7,081.10 is: 10,620.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,102.98 : 21,151.82 = 7,081.10 : x
  2. Step 2: Convert to fraction form
    14,102.98/21,151.82 = 7,081.10/x
  3. Step 3: Cross multiply
    14,102.98x = 21,151.82 × 7,081.10
  4. Step 4: Simplify right side
    14,102.98x = 149,778,152.60
  5. Step 5: Solve for x
    x = 149,778,152.60/14,102.98
  6. Step 6: Final answer
    x = 10,620.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.