Home / 13,600.48-18,751.44-8,877.28

Finding the Fourth Proportional to 13,600.48, 18,751.44 and 8,877.28

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Solution

The fourth proportional to 13,600.48, 18,751.44 and 8,877.28 is: 12,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.48 : 18,751.44 = 8,877.28 : x
  2. Step 2: Convert to fraction form
    13,600.48/18,751.44 = 8,877.28/x
  3. Step 3: Cross multiply
    13,600.48x = 18,751.44 × 8,877.28
  4. Step 4: Simplify right side
    13,600.48x = 166,461,783.28
  5. Step 5: Solve for x
    x = 166,461,783.28/13,600.48
  6. Step 6: Final answer
    x = 12,239.41

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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.