Home / 9,428.75-14,145.15-3,188.93

Finding the Fourth Proportional to 9,428.75, 14,145.15 and 3,188.93

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Solution

The fourth proportional to 9,428.75, 14,145.15 and 3,188.93 is: 4,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.75 : 14,145.15 = 3,188.93 : x
  2. Step 2: Convert to fraction form
    9,428.75/14,145.15 = 3,188.93/x
  3. Step 3: Cross multiply
    9,428.75x = 14,145.15 × 3,188.93
  4. Step 4: Simplify right side
    9,428.75x = 45,107,893.19
  5. Step 5: Solve for x
    x = 45,107,893.19/9,428.75
  6. Step 6: Final answer
    x = 4,784.08

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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.