Home / 12,378.22-17,081.46-7,000.93

Finding the Fourth Proportional to 12,378.22, 17,081.46 and 7,000.93

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Solution

The fourth proportional to 12,378.22, 17,081.46 and 7,000.93 is: 9,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,378.22 : 17,081.46 = 7,000.93 : x
  2. Step 2: Convert to fraction form
    12,378.22/17,081.46 = 7,000.93/x
  3. Step 3: Cross multiply
    12,378.22x = 17,081.46 × 7,000.93
  4. Step 4: Simplify right side
    12,378.22x = 119,586,107.42
  5. Step 5: Solve for x
    x = 119,586,107.42/12,378.22
  6. Step 6: Final answer
    x = 9,661.01

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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.