Home / 9,260.06-12,784.84-8,263.62

Finding the Fourth Proportional to 9,260.06, 12,784.84 and 8,263.62

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Solution

The fourth proportional to 9,260.06, 12,784.84 and 8,263.62 is: 11,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.06 : 12,784.84 = 8,263.62 : x
  2. Step 2: Convert to fraction form
    9,260.06/12,784.84 = 8,263.62/x
  3. Step 3: Cross multiply
    9,260.06x = 12,784.84 × 8,263.62
  4. Step 4: Simplify right side
    9,260.06x = 105,649,038.86
  5. Step 5: Solve for x
    x = 105,649,038.86/9,260.06
  6. Step 6: Final answer
    x = 11,409.12

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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.