Home / 13,009.03-19,512.73-8,012.35

Finding the Fourth Proportional to 13,009.03, 19,512.73 and 8,012.35

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Solution

The fourth proportional to 13,009.03, 19,512.73 and 8,012.35 is: 12,018.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.03 : 19,512.73 = 8,012.35 : x
  2. Step 2: Convert to fraction form
    13,009.03/19,512.73 = 8,012.35/x
  3. Step 3: Cross multiply
    13,009.03x = 19,512.73 × 8,012.35
  4. Step 4: Simplify right side
    13,009.03x = 156,342,822.22
  5. Step 5: Solve for x
    x = 156,342,822.22/13,009.03
  6. Step 6: Final answer
    x = 12,018.02

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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.