Home / 18,014.40-26,985.78-14,100.48

Finding the Fourth Proportional to 18,014.40, 26,985.78 and 14,100.48

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Solution

The fourth proportional to 18,014.40, 26,985.78 and 14,100.48 is: 21,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,014.40 : 26,985.78 = 14,100.48 : x
  2. Step 2: Convert to fraction form
    18,014.40/26,985.78 = 14,100.48/x
  3. Step 3: Cross multiply
    18,014.40x = 26,985.78 × 14,100.48
  4. Step 4: Simplify right side
    18,014.40x = 380,512,451.17
  5. Step 5: Solve for x
    x = 380,512,451.17/18,014.40
  6. Step 6: Final answer
    x = 21,122.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.