Home / 18,845.10-26,004.31-10,889.89

Finding the Fourth Proportional to 18,845.10, 26,004.31 and 10,889.89

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Solution

The fourth proportional to 18,845.10, 26,004.31 and 10,889.89 is: 15,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.10 : 26,004.31 = 10,889.89 : x
  2. Step 2: Convert to fraction form
    18,845.10/26,004.31 = 10,889.89/x
  3. Step 3: Cross multiply
    18,845.10x = 26,004.31 × 10,889.89
  4. Step 4: Simplify right side
    18,845.10x = 283,184,075.43
  5. Step 5: Solve for x
    x = 283,184,075.43/18,845.10
  6. Step 6: Final answer
    x = 15,026.93

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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.