Home / 14,004.30-20,998.35-5,240.10

Finding the Fourth Proportional to 14,004.30, 20,998.35 and 5,240.10

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Solution

The fourth proportional to 14,004.30, 20,998.35 and 5,240.10 is: 7,857.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.30 : 20,998.35 = 5,240.10 : x
  2. Step 2: Convert to fraction form
    14,004.30/20,998.35 = 5,240.10/x
  3. Step 3: Cross multiply
    14,004.30x = 20,998.35 × 5,240.10
  4. Step 4: Simplify right side
    14,004.30x = 110,033,453.84
  5. Step 5: Solve for x
    x = 110,033,453.84/14,004.30
  6. Step 6: Final answer
    x = 7,857.12

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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.