Home / 14,219.12-21,322.20-7,298.48

Finding the Fourth Proportional to 14,219.12, 21,322.20 and 7,298.48

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Solution

The fourth proportional to 14,219.12, 21,322.20 and 7,298.48 is: 10,944.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.12 : 21,322.20 = 7,298.48 : x
  2. Step 2: Convert to fraction form
    14,219.12/21,322.20 = 7,298.48/x
  3. Step 3: Cross multiply
    14,219.12x = 21,322.20 × 7,298.48
  4. Step 4: Simplify right side
    14,219.12x = 155,619,650.26
  5. Step 5: Solve for x
    x = 155,619,650.26/14,219.12
  6. Step 6: Final answer
    x = 10,944.39

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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.