Home / 9,151.48-12,639.54-6,021.64

Finding the Fourth Proportional to 9,151.48, 12,639.54 and 6,021.64

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Solution

The fourth proportional to 9,151.48, 12,639.54 and 6,021.64 is: 8,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.48 : 12,639.54 = 6,021.64 : x
  2. Step 2: Convert to fraction form
    9,151.48/12,639.54 = 6,021.64/x
  3. Step 3: Cross multiply
    9,151.48x = 12,639.54 × 6,021.64
  4. Step 4: Simplify right side
    9,151.48x = 76,110,759.65
  5. Step 5: Solve for x
    x = 76,110,759.65/9,151.48
  6. Step 6: Final answer
    x = 8,316.77

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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.