Home / 9,294.94-12,821.35-5,515.58

Finding the Fourth Proportional to 9,294.94, 12,821.35 and 5,515.58

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Solution

The fourth proportional to 9,294.94, 12,821.35 and 5,515.58 is: 7,608.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,294.94 : 12,821.35 = 5,515.58 : x
  2. Step 2: Convert to fraction form
    9,294.94/12,821.35 = 5,515.58/x
  3. Step 3: Cross multiply
    9,294.94x = 12,821.35 × 5,515.58
  4. Step 4: Simplify right side
    9,294.94x = 70,717,181.63
  5. Step 5: Solve for x
    x = 70,717,181.63/9,294.94
  6. Step 6: Final answer
    x = 7,608.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.