Home / 10,680.08-16,019.04-2,889.68

Finding the Fourth Proportional to 10,680.08, 16,019.04 and 2,889.68

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Solution

The fourth proportional to 10,680.08, 16,019.04 and 2,889.68 is: 4,334.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.08 : 16,019.04 = 2,889.68 : x
  2. Step 2: Convert to fraction form
    10,680.08/16,019.04 = 2,889.68/x
  3. Step 3: Cross multiply
    10,680.08x = 16,019.04 × 2,889.68
  4. Step 4: Simplify right side
    10,680.08x = 46,289,899.51
  5. Step 5: Solve for x
    x = 46,289,899.51/10,680.08
  6. Step 6: Final answer
    x = 4,334.23

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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.