Home / 13,065.22-19,590.54-4,297.78

Finding the Fourth Proportional to 13,065.22, 19,590.54 and 4,297.78

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Solution

The fourth proportional to 13,065.22, 19,590.54 and 4,297.78 is: 6,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.22 : 19,590.54 = 4,297.78 : x
  2. Step 2: Convert to fraction form
    13,065.22/19,590.54 = 4,297.78/x
  3. Step 3: Cross multiply
    13,065.22x = 19,590.54 × 4,297.78
  4. Step 4: Simplify right side
    13,065.22x = 84,195,831.00
  5. Step 5: Solve for x
    x = 84,195,831.00/13,065.22
  6. Step 6: Final answer
    x = 6,444.27

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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.