Home / 14,438.76-21,657.83-6,647.57

Finding the Fourth Proportional to 14,438.76, 21,657.83 and 6,647.57

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Solution

The fourth proportional to 14,438.76, 21,657.83 and 6,647.57 is: 9,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.76 : 21,657.83 = 6,647.57 : x
  2. Step 2: Convert to fraction form
    14,438.76/21,657.83 = 6,647.57/x
  3. Step 3: Cross multiply
    14,438.76x = 21,657.83 × 6,647.57
  4. Step 4: Simplify right side
    14,438.76x = 143,971,918.06
  5. Step 5: Solve for x
    x = 143,971,918.06/14,438.76
  6. Step 6: Final answer
    x = 9,971.21

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1.5x scale

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.