Home / 13,279.60-19,914.81-5,889.23

Finding the Fourth Proportional to 13,279.60, 19,914.81 and 5,889.23

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Solution

The fourth proportional to 13,279.60, 19,914.81 and 5,889.23 is: 8,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,279.60 : 19,914.81 = 5,889.23 : x
  2. Step 2: Convert to fraction form
    13,279.60/19,914.81 = 5,889.23/x
  3. Step 3: Cross multiply
    13,279.60x = 19,914.81 × 5,889.23
  4. Step 4: Simplify right side
    13,279.60x = 117,282,896.50
  5. Step 5: Solve for x
    x = 117,282,896.50/13,279.60
  6. Step 6: Final answer
    x = 8,831.81

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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.