Home / 14,074.36-21,127.90-8,235.16

Finding the Fourth Proportional to 14,074.36, 21,127.90 and 8,235.16

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Solution

The fourth proportional to 14,074.36, 21,127.90 and 8,235.16 is: 12,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.36 : 21,127.90 = 8,235.16 : x
  2. Step 2: Convert to fraction form
    14,074.36/21,127.90 = 8,235.16/x
  3. Step 3: Cross multiply
    14,074.36x = 21,127.90 × 8,235.16
  4. Step 4: Simplify right side
    14,074.36x = 173,991,636.96
  5. Step 5: Solve for x
    x = 173,991,636.96/14,074.36
  6. Step 6: Final answer
    x = 12,362.31

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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.