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Finding the Fourth Proportional to 10,084.80, 14,133.30 and 10,084.80

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Solution

The fourth proportional to 10,084.80, 14,133.30 and 10,084.80 is: 14,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.80 : 14,133.30 = 10,084.80 : x
  2. Step 2: Convert to fraction form
    10,084.80/14,133.30 = 10,084.80/x
  3. Step 3: Cross multiply
    10,084.80x = 14,133.30 × 10,084.80
  4. Step 4: Simplify right side
    10,084.80x = 142,531,503.84
  5. Step 5: Solve for x
    x = 142,531,503.84/10,084.80
  6. Step 6: Final answer
    x = 14,133.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.