Home / 19,454.85-26,842.82-10,955.25

Finding the Fourth Proportional to 19,454.85, 26,842.82 and 10,955.25

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Solution

The fourth proportional to 19,454.85, 26,842.82 and 10,955.25 is: 15,115.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,454.85 : 26,842.82 = 10,955.25 : x
  2. Step 2: Convert to fraction form
    19,454.85/26,842.82 = 10,955.25/x
  3. Step 3: Cross multiply
    19,454.85x = 26,842.82 × 10,955.25
  4. Step 4: Simplify right side
    19,454.85x = 294,069,749.03
  5. Step 5: Solve for x
    x = 294,069,749.03/19,454.85
  6. Step 6: Final answer
    x = 15,115.50

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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.