Home / 18,941.18-26,137.37-10,443.28

Finding the Fourth Proportional to 18,941.18, 26,137.37 and 10,443.28

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Solution

The fourth proportional to 18,941.18, 26,137.37 and 10,443.28 is: 14,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.18 : 26,137.37 = 10,443.28 : x
  2. Step 2: Convert to fraction form
    18,941.18/26,137.37 = 10,443.28/x
  3. Step 3: Cross multiply
    18,941.18x = 26,137.37 × 10,443.28
  4. Step 4: Simplify right side
    18,941.18x = 272,959,755.81
  5. Step 5: Solve for x
    x = 272,959,755.81/18,941.18
  6. Step 6: Final answer
    x = 14,410.91

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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.