Home / 9,428.30-14,144.27-3,189.32

Finding the Fourth Proportional to 9,428.30, 14,144.27 and 3,189.32

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Solution

The fourth proportional to 9,428.30, 14,144.27 and 3,189.32 is: 4,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.30 : 14,144.27 = 3,189.32 : x
  2. Step 2: Convert to fraction form
    9,428.30/14,144.27 = 3,189.32/x
  3. Step 3: Cross multiply
    9,428.30x = 14,144.27 × 3,189.32
  4. Step 4: Simplify right side
    9,428.30x = 45,110,667.07
  5. Step 5: Solve for x
    x = 45,110,667.07/9,428.30
  6. Step 6: Final answer
    x = 4,784.60

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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.