Home / 13,210.08-19,788.24-11,039.20

Finding the Fourth Proportional to 13,210.08, 19,788.24 and 11,039.20

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Solution

The fourth proportional to 13,210.08, 19,788.24 and 11,039.20 is: 16,536.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.08 : 19,788.24 = 11,039.20 : x
  2. Step 2: Convert to fraction form
    13,210.08/19,788.24 = 11,039.20/x
  3. Step 3: Cross multiply
    13,210.08x = 19,788.24 × 11,039.20
  4. Step 4: Simplify right side
    13,210.08x = 218,446,339.01
  5. Step 5: Solve for x
    x = 218,446,339.01/13,210.08
  6. Step 6: Final answer
    x = 16,536.34

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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.