Home / 14,288.37-19,720.35-8,323.58

Finding the Fourth Proportional to 14,288.37, 19,720.35 and 8,323.58

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Solution

The fourth proportional to 14,288.37, 19,720.35 and 8,323.58 is: 11,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.37 : 19,720.35 = 8,323.58 : x
  2. Step 2: Convert to fraction form
    14,288.37/19,720.35 = 8,323.58/x
  3. Step 3: Cross multiply
    14,288.37x = 19,720.35 × 8,323.58
  4. Step 4: Simplify right side
    14,288.37x = 164,143,812.25
  5. Step 5: Solve for x
    x = 164,143,812.25/14,288.37
  6. Step 6: Final answer
    x = 11,487.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.