Home / 14,465.20-21,699.50-5,103.26

Finding the Fourth Proportional to 14,465.20, 21,699.50 and 5,103.26

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Solution

The fourth proportional to 14,465.20, 21,699.50 and 5,103.26 is: 7,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.20 : 21,699.50 = 5,103.26 : x
  2. Step 2: Convert to fraction form
    14,465.20/21,699.50 = 5,103.26/x
  3. Step 3: Cross multiply
    14,465.20x = 21,699.50 × 5,103.26
  4. Step 4: Simplify right side
    14,465.20x = 110,738,190.37
  5. Step 5: Solve for x
    x = 110,738,190.37/14,465.20
  6. Step 6: Final answer
    x = 7,655.49

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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.