Home / 18,941.50-26,139.27-10,558

Finding the Fourth Proportional to 18,941.50, 26,139.27 and 10,558

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Solution

The fourth proportional to 18,941.50, 26,139.27 and 10,558 is: 14,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.50 : 26,139.27 = 10,558 : x
  2. Step 2: Convert to fraction form
    18,941.50/26,139.27 = 10,558/x
  3. Step 3: Cross multiply
    18,941.50x = 26,139.27 × 10,558
  4. Step 4: Simplify right side
    18,941.50x = 275,978,412.66
  5. Step 5: Solve for x
    x = 275,978,412.66/18,941.50
  6. Step 6: Final answer
    x = 14,570.04

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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.