Home / 14,214.70-21,322.05-9,786.03

Finding the Fourth Proportional to 14,214.70, 21,322.05 and 9,786.03

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Solution

The fourth proportional to 14,214.70, 21,322.05 and 9,786.03 is: 14,679.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,214.70 : 21,322.05 = 9,786.03 : x
  2. Step 2: Convert to fraction form
    14,214.70/21,322.05 = 9,786.03/x
  3. Step 3: Cross multiply
    14,214.70x = 21,322.05 × 9,786.03
  4. Step 4: Simplify right side
    14,214.70x = 208,658,220.96
  5. Step 5: Solve for x
    x = 208,658,220.96/14,214.70
  6. Step 6: Final answer
    x = 14,679.05

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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.