Home / 15,454.84-21,326.26-8,741.05

Finding the Fourth Proportional to 15,454.84, 21,326.26 and 8,741.05

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Solution

The fourth proportional to 15,454.84, 21,326.26 and 8,741.05 is: 12,061.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,454.84 : 21,326.26 = 8,741.05 : x
  2. Step 2: Convert to fraction form
    15,454.84/21,326.26 = 8,741.05/x
  3. Step 3: Cross multiply
    15,454.84x = 21,326.26 × 8,741.05
  4. Step 4: Simplify right side
    15,454.84x = 186,413,904.97
  5. Step 5: Solve for x
    x = 186,413,904.97/15,454.84
  6. Step 6: Final answer
    x = 12,061.85

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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.