Home / 14,390.96-21,586.46-5,619.71

Finding the Fourth Proportional to 14,390.96, 21,586.46 and 5,619.71

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Solution

The fourth proportional to 14,390.96, 21,586.46 and 5,619.71 is: 8,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.96 : 21,586.46 = 5,619.71 : x
  2. Step 2: Convert to fraction form
    14,390.96/21,586.46 = 5,619.71/x
  3. Step 3: Cross multiply
    14,390.96x = 21,586.46 × 5,619.71
  4. Step 4: Simplify right side
    14,390.96x = 121,309,509.10
  5. Step 5: Solve for x
    x = 121,309,509.10/14,390.96
  6. Step 6: Final answer
    x = 8,429.57

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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.