Home / 14,187.06-21,287.79-6,394.14

Finding the Fourth Proportional to 14,187.06, 21,287.79 and 6,394.14

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Solution

The fourth proportional to 14,187.06, 21,287.79 and 6,394.14 is: 9,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.06 : 21,287.79 = 6,394.14 : x
  2. Step 2: Convert to fraction form
    14,187.06/21,287.79 = 6,394.14/x
  3. Step 3: Cross multiply
    14,187.06x = 21,287.79 × 6,394.14
  4. Step 4: Simplify right side
    14,187.06x = 136,117,109.55
  5. Step 5: Solve for x
    x = 136,117,109.55/14,187.06
  6. Step 6: Final answer
    x = 9,594.46

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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.