Home / 13,317.63-18,380.57-8,012.94

Finding the Fourth Proportional to 13,317.63, 18,380.57 and 8,012.94

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Solution

The fourth proportional to 13,317.63, 18,380.57 and 8,012.94 is: 11,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.63 : 18,380.57 = 8,012.94 : x
  2. Step 2: Convert to fraction form
    13,317.63/18,380.57 = 8,012.94/x
  3. Step 3: Cross multiply
    13,317.63x = 18,380.57 × 8,012.94
  4. Step 4: Simplify right side
    13,317.63x = 147,282,364.51
  5. Step 5: Solve for x
    x = 147,282,364.51/13,317.63
  6. Step 6: Final answer
    x = 11,059.20

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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.