Home / 9,316.84-12,860.60-6,174.04

Finding the Fourth Proportional to 9,316.84, 12,860.60 and 6,174.04

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Solution

The fourth proportional to 9,316.84, 12,860.60 and 6,174.04 is: 8,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.84 : 12,860.60 = 6,174.04 : x
  2. Step 2: Convert to fraction form
    9,316.84/12,860.60 = 6,174.04/x
  3. Step 3: Cross multiply
    9,316.84x = 12,860.60 × 6,174.04
  4. Step 4: Simplify right side
    9,316.84x = 79,401,858.82
  5. Step 5: Solve for x
    x = 79,401,858.82/9,316.84
  6. Step 6: Final answer
    x = 8,522.40

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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.