Home / 13,907.22-20,865.48-4,547.67

Finding the Fourth Proportional to 13,907.22, 20,865.48 and 4,547.67

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Solution

The fourth proportional to 13,907.22, 20,865.48 and 4,547.67 is: 6,823.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.22 : 20,865.48 = 4,547.67 : x
  2. Step 2: Convert to fraction form
    13,907.22/20,865.48 = 4,547.67/x
  3. Step 3: Cross multiply
    13,907.22x = 20,865.48 × 4,547.67
  4. Step 4: Simplify right side
    13,907.22x = 94,889,317.43
  5. Step 5: Solve for x
    x = 94,889,317.43/13,907.22
  6. Step 6: Final answer
    x = 6,823.03

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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.