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Finding the Fourth Proportional to 19,242, 26,554.20 and 10,858.56

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Solution

The fourth proportional to 19,242, 26,554.20 and 10,858.56 is: 14,984.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242 : 26,554.20 = 10,858.56 : x
  2. Step 2: Convert to fraction form
    19,242/26,554.20 = 10,858.56/x
  3. Step 3: Cross multiply
    19,242x = 26,554.20 × 10,858.56
  4. Step 4: Simplify right side
    19,242x = 288,340,373.95
  5. Step 5: Solve for x
    x = 288,340,373.95/19,242
  6. Step 6: Final answer
    x = 14,984.95

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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.