Home / 13,586.58-20,362.14-5,258.34

Finding the Fourth Proportional to 13,586.58, 20,362.14 and 5,258.34

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Solution

The fourth proportional to 13,586.58, 20,362.14 and 5,258.34 is: 7,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.58 : 20,362.14 = 5,258.34 : x
  2. Step 2: Convert to fraction form
    13,586.58/20,362.14 = 5,258.34/x
  3. Step 3: Cross multiply
    13,586.58x = 20,362.14 × 5,258.34
  4. Step 4: Simplify right side
    13,586.58x = 107,071,055.25
  5. Step 5: Solve for x
    x = 107,071,055.25/13,586.58
  6. Step 6: Final answer
    x = 7,880.65

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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.