Home / 9,334.12-12,880.08-5,355.14

Finding the Fourth Proportional to 9,334.12, 12,880.08 and 5,355.14

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Solution

The fourth proportional to 9,334.12, 12,880.08 and 5,355.14 is: 7,389.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.12 : 12,880.08 = 5,355.14 : x
  2. Step 2: Convert to fraction form
    9,334.12/12,880.08 = 5,355.14/x
  3. Step 3: Cross multiply
    9,334.12x = 12,880.08 × 5,355.14
  4. Step 4: Simplify right side
    9,334.12x = 68,974,631.61
  5. Step 5: Solve for x
    x = 68,974,631.61/9,334.12
  6. Step 6: Final answer
    x = 7,389.52

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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.