Home / 14,081.37-21,125.04-5,316.21

Finding the Fourth Proportional to 14,081.37, 21,125.04 and 5,316.21

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Solution

The fourth proportional to 14,081.37, 21,125.04 and 5,316.21 is: 7,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.37 : 21,125.04 = 5,316.21 : x
  2. Step 2: Convert to fraction form
    14,081.37/21,125.04 = 5,316.21/x
  3. Step 3: Cross multiply
    14,081.37x = 21,125.04 × 5,316.21
  4. Step 4: Simplify right side
    14,081.37x = 112,305,148.90
  5. Step 5: Solve for x
    x = 112,305,148.90/14,081.37
  6. Step 6: Final answer
    x = 7,975.44

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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.