Home / 13,741.93-18,965.23-8,364.74

Finding the Fourth Proportional to 13,741.93, 18,965.23 and 8,364.74

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Solution

The fourth proportional to 13,741.93, 18,965.23 and 8,364.74 is: 11,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,741.93 : 18,965.23 = 8,364.74 : x
  2. Step 2: Convert to fraction form
    13,741.93/18,965.23 = 8,364.74/x
  3. Step 3: Cross multiply
    13,741.93x = 18,965.23 × 8,364.74
  4. Step 4: Simplify right side
    13,741.93x = 158,639,244.49
  5. Step 5: Solve for x
    x = 158,639,244.49/13,741.93
  6. Step 6: Final answer
    x = 11,544.18

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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.