Home / 14,390.82-21,589.47-5,628.24

Finding the Fourth Proportional to 14,390.82, 21,589.47 and 5,628.24

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Solution

The fourth proportional to 14,390.82, 21,589.47 and 5,628.24 is: 8,443.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.82 : 21,589.47 = 5,628.24 : x
  2. Step 2: Convert to fraction form
    14,390.82/21,589.47 = 5,628.24/x
  3. Step 3: Cross multiply
    14,390.82x = 21,589.47 × 5,628.24
  4. Step 4: Simplify right side
    14,390.82x = 121,510,718.63
  5. Step 5: Solve for x
    x = 121,510,718.63/14,390.82
  6. Step 6: Final answer
    x = 8,443.63

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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.