Home / 12,771.41-17,626.64-7,465.19

Finding the Fourth Proportional to 12,771.41, 17,626.64 and 7,465.19

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Solution

The fourth proportional to 12,771.41, 17,626.64 and 7,465.19 is: 10,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.41 : 17,626.64 = 7,465.19 : x
  2. Step 2: Convert to fraction form
    12,771.41/17,626.64 = 7,465.19/x
  3. Step 3: Cross multiply
    12,771.41x = 17,626.64 × 7,465.19
  4. Step 4: Simplify right side
    12,771.41x = 131,586,091.20
  5. Step 5: Solve for x
    x = 131,586,091.20/12,771.41
  6. Step 6: Final answer
    x = 10,303.18

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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.