Home / 15,278.60-22,918.44-4,889

Finding the Fourth Proportional to 15,278.60, 22,918.44 and 4,889

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Solution

The fourth proportional to 15,278.60, 22,918.44 and 4,889 is: 7,333.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.60 : 22,918.44 = 4,889 : x
  2. Step 2: Convert to fraction form
    15,278.60/22,918.44 = 4,889/x
  3. Step 3: Cross multiply
    15,278.60x = 22,918.44 × 4,889
  4. Step 4: Simplify right side
    15,278.60x = 112,048,253.16
  5. Step 5: Solve for x
    x = 112,048,253.16/15,278.60
  6. Step 6: Final answer
    x = 7,333.67

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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.