Home / 10,845.40-16,268.10-4,267.99

Finding the Fourth Proportional to 10,845.40, 16,268.10 and 4,267.99

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Solution

The fourth proportional to 10,845.40, 16,268.10 and 4,267.99 is: 6,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,845.40 : 16,268.10 = 4,267.99 : x
  2. Step 2: Convert to fraction form
    10,845.40/16,268.10 = 4,267.99/x
  3. Step 3: Cross multiply
    10,845.40x = 16,268.10 × 4,267.99
  4. Step 4: Simplify right side
    10,845.40x = 69,432,088.12
  5. Step 5: Solve for x
    x = 69,432,088.12/10,845.40
  6. Step 6: Final answer
    x = 6,401.99

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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.