Home / 14,259.15-21,392.37-5,491.71

Finding the Fourth Proportional to 14,259.15, 21,392.37 and 5,491.71

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Solution

The fourth proportional to 14,259.15, 21,392.37 and 5,491.71 is: 8,238.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,259.15 : 21,392.37 = 5,491.71 : x
  2. Step 2: Convert to fraction form
    14,259.15/21,392.37 = 5,491.71/x
  3. Step 3: Cross multiply
    14,259.15x = 21,392.37 × 5,491.71
  4. Step 4: Simplify right side
    14,259.15x = 117,480,692.25
  5. Step 5: Solve for x
    x = 117,480,692.25/14,259.15
  6. Step 6: Final answer
    x = 8,238.97

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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.