Home / 14,068.56-21,107.07-4,208.16

Finding the Fourth Proportional to 14,068.56, 21,107.07 and 4,208.16

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Solution

The fourth proportional to 14,068.56, 21,107.07 and 4,208.16 is: 6,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.56 : 21,107.07 = 4,208.16 : x
  2. Step 2: Convert to fraction form
    14,068.56/21,107.07 = 4,208.16/x
  3. Step 3: Cross multiply
    14,068.56x = 21,107.07 × 4,208.16
  4. Step 4: Simplify right side
    14,068.56x = 88,821,927.69
  5. Step 5: Solve for x
    x = 88,821,927.69/14,068.56
  6. Step 6: Final answer
    x = 6,313.51

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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.