Home / 14,072.84-21,106.10-4,210.85

Finding the Fourth Proportional to 14,072.84, 21,106.10 and 4,210.85

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Solution

The fourth proportional to 14,072.84, 21,106.10 and 4,210.85 is: 6,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.84 : 21,106.10 = 4,210.85 : x
  2. Step 2: Convert to fraction form
    14,072.84/21,106.10 = 4,210.85/x
  3. Step 3: Cross multiply
    14,072.84x = 21,106.10 × 4,210.85
  4. Step 4: Simplify right side
    14,072.84x = 88,874,684.48
  5. Step 5: Solve for x
    x = 88,874,684.48/14,072.84
  6. Step 6: Final answer
    x = 6,315.33

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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.