Home / 13,113.36-18,100.44-8,924.04

Finding the Fourth Proportional to 13,113.36, 18,100.44 and 8,924.04

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Solution

The fourth proportional to 13,113.36, 18,100.44 and 8,924.04 is: 12,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.36 : 18,100.44 = 8,924.04 : x
  2. Step 2: Convert to fraction form
    13,113.36/18,100.44 = 8,924.04/x
  3. Step 3: Cross multiply
    13,113.36x = 18,100.44 × 8,924.04
  4. Step 4: Simplify right side
    13,113.36x = 161,529,050.58
  5. Step 5: Solve for x
    x = 161,529,050.58/13,113.36
  6. Step 6: Final answer
    x = 12,317.90

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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.