Home / 9,905.05-14,860.01-2,885.12

Finding the Fourth Proportional to 9,905.05, 14,860.01 and 2,885.12

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Solution

The fourth proportional to 9,905.05, 14,860.01 and 2,885.12 is: 4,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.05 : 14,860.01 = 2,885.12 : x
  2. Step 2: Convert to fraction form
    9,905.05/14,860.01 = 2,885.12/x
  3. Step 3: Cross multiply
    9,905.05x = 14,860.01 × 2,885.12
  4. Step 4: Simplify right side
    9,905.05x = 42,872,912.05
  5. Step 5: Solve for x
    x = 42,872,912.05/9,905.05
  6. Step 6: Final answer
    x = 4,328.39

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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.