Home / 13,922.08-19,210.74-8,889.24

Finding the Fourth Proportional to 13,922.08, 19,210.74 and 8,889.24

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Solution

The fourth proportional to 13,922.08, 19,210.74 and 8,889.24 is: 12,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,922.08 : 19,210.74 = 8,889.24 : x
  2. Step 2: Convert to fraction form
    13,922.08/19,210.74 = 8,889.24/x
  3. Step 3: Cross multiply
    13,922.08x = 19,210.74 × 8,889.24
  4. Step 4: Simplify right side
    13,922.08x = 170,768,992.15
  5. Step 5: Solve for x
    x = 170,768,992.15/13,922.08
  6. Step 6: Final answer
    x = 12,266.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.