Home / 9,153.68-13,728.54-3,307.04

Finding the Fourth Proportional to 9,153.68, 13,728.54 and 3,307.04

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Solution

The fourth proportional to 9,153.68, 13,728.54 and 3,307.04 is: 4,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.68 : 13,728.54 = 3,307.04 : x
  2. Step 2: Convert to fraction form
    9,153.68/13,728.54 = 3,307.04/x
  3. Step 3: Cross multiply
    9,153.68x = 13,728.54 × 3,307.04
  4. Step 4: Simplify right side
    9,153.68x = 45,400,830.92
  5. Step 5: Solve for x
    x = 45,400,830.92/9,153.68
  6. Step 6: Final answer
    x = 4,959.84

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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.