Home / 13,258.23-19,871.64-5,847.18

Finding the Fourth Proportional to 13,258.23, 19,871.64 and 5,847.18

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Solution

The fourth proportional to 13,258.23, 19,871.64 and 5,847.18 is: 8,763.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.23 : 19,871.64 = 5,847.18 : x
  2. Step 2: Convert to fraction form
    13,258.23/19,871.64 = 5,847.18/x
  3. Step 3: Cross multiply
    13,258.23x = 19,871.64 × 5,847.18
  4. Step 4: Simplify right side
    13,258.23x = 116,193,055.98
  5. Step 5: Solve for x
    x = 116,193,055.98/13,258.23
  6. Step 6: Final answer
    x = 8,763.84

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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.