Home / 9,312.06-13,968.90-4,929.42

Finding the Fourth Proportional to 9,312.06, 13,968.90 and 4,929.42

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Solution

The fourth proportional to 9,312.06, 13,968.90 and 4,929.42 is: 7,394.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.06 : 13,968.90 = 4,929.42 : x
  2. Step 2: Convert to fraction form
    9,312.06/13,968.90 = 4,929.42/x
  3. Step 3: Cross multiply
    9,312.06x = 13,968.90 × 4,929.42
  4. Step 4: Simplify right side
    9,312.06x = 68,858,575.04
  5. Step 5: Solve for x
    x = 68,858,575.04/9,312.06
  6. Step 6: Final answer
    x = 7,394.56

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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.