Home / 14,439.60-21,660.55-5,559.23

Finding the Fourth Proportional to 14,439.60, 21,660.55 and 5,559.23

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Solution

The fourth proportional to 14,439.60, 21,660.55 and 5,559.23 is: 8,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.60 : 21,660.55 = 5,559.23 : x
  2. Step 2: Convert to fraction form
    14,439.60/21,660.55 = 5,559.23/x
  3. Step 3: Cross multiply
    14,439.60x = 21,660.55 × 5,559.23
  4. Step 4: Simplify right side
    14,439.60x = 120,416,019.63
  5. Step 5: Solve for x
    x = 120,416,019.63/14,439.60
  6. Step 6: Final answer
    x = 8,339.29

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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.