Home / 13,333.48-18,407.94-8,863.24

Finding the Fourth Proportional to 13,333.48, 18,407.94 and 8,863.24

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Solution

The fourth proportional to 13,333.48, 18,407.94 and 8,863.24 is: 12,236.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.48 : 18,407.94 = 8,863.24 : x
  2. Step 2: Convert to fraction form
    13,333.48/18,407.94 = 8,863.24/x
  3. Step 3: Cross multiply
    13,333.48x = 18,407.94 × 8,863.24
  4. Step 4: Simplify right side
    13,333.48x = 163,153,990.13
  5. Step 5: Solve for x
    x = 163,153,990.13/13,333.48
  6. Step 6: Final answer
    x = 12,236.41

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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.