Home / 13,312.44-18,372.69-8,834.63

Finding the Fourth Proportional to 13,312.44, 18,372.69 and 8,834.63

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Solution

The fourth proportional to 13,312.44, 18,372.69 and 8,834.63 is: 12,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.44 : 18,372.69 = 8,834.63 : x
  2. Step 2: Convert to fraction form
    13,312.44/18,372.69 = 8,834.63/x
  3. Step 3: Cross multiply
    13,312.44x = 18,372.69 × 8,834.63
  4. Step 4: Simplify right side
    13,312.44x = 162,315,826.39
  5. Step 5: Solve for x
    x = 162,315,826.39/13,312.44
  6. Step 6: Final answer
    x = 12,192.79

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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.