Home / 14,091.84-21,135.74-9,862.25

Finding the Fourth Proportional to 14,091.84, 21,135.74 and 9,862.25

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Solution

The fourth proportional to 14,091.84, 21,135.74 and 9,862.25 is: 14,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.84 : 21,135.74 = 9,862.25 : x
  2. Step 2: Convert to fraction form
    14,091.84/21,135.74 = 9,862.25/x
  3. Step 3: Cross multiply
    14,091.84x = 21,135.74 × 9,862.25
  4. Step 4: Simplify right side
    14,091.84x = 208,445,796.83
  5. Step 5: Solve for x
    x = 208,445,796.83/14,091.84
  6. Step 6: Final answer
    x = 14,791.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.