Home / 15,775.02-23,678.94-11,619.72

Finding the Fourth Proportional to 15,775.02, 23,678.94 and 11,619.72

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Solution

The fourth proportional to 15,775.02, 23,678.94 and 11,619.72 is: 17,441.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.02 : 23,678.94 = 11,619.72 : x
  2. Step 2: Convert to fraction form
    15,775.02/23,678.94 = 11,619.72/x
  3. Step 3: Cross multiply
    15,775.02x = 23,678.94 × 11,619.72
  4. Step 4: Simplify right side
    15,775.02x = 275,142,652.70
  5. Step 5: Solve for x
    x = 275,142,652.70/15,775.02
  6. Step 6: Final answer
    x = 17,441.67

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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.