Home / 13,176.77-19,792.68-11,202.08

Finding the Fourth Proportional to 13,176.77, 19,792.68 and 11,202.08

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Solution

The fourth proportional to 13,176.77, 19,792.68 and 11,202.08 is: 16,826.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.77 : 19,792.68 = 11,202.08 : x
  2. Step 2: Convert to fraction form
    13,176.77/19,792.68 = 11,202.08/x
  3. Step 3: Cross multiply
    13,176.77x = 19,792.68 × 11,202.08
  4. Step 4: Simplify right side
    13,176.77x = 221,719,085.81
  5. Step 5: Solve for x
    x = 221,719,085.81/13,176.77
  6. Step 6: Final answer
    x = 16,826.52

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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.