Home / 14,820.84-20,441.70-10,857.96

Finding the Fourth Proportional to 14,820.84, 20,441.70 and 10,857.96

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Solution

The fourth proportional to 14,820.84, 20,441.70 and 10,857.96 is: 14,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.84 : 20,441.70 = 10,857.96 : x
  2. Step 2: Convert to fraction form
    14,820.84/20,441.70 = 10,857.96/x
  3. Step 3: Cross multiply
    14,820.84x = 20,441.70 × 10,857.96
  4. Step 4: Simplify right side
    14,820.84x = 221,955,160.93
  5. Step 5: Solve for x
    x = 221,955,160.93/14,820.84
  6. Step 6: Final answer
    x = 14,975.88

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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.