Home / 16,389.68-24,584.40-7,619.72

Finding the Fourth Proportional to 16,389.68, 24,584.40 and 7,619.72

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Solution

The fourth proportional to 16,389.68, 24,584.40 and 7,619.72 is: 11,429.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.68 : 24,584.40 = 7,619.72 : x
  2. Step 2: Convert to fraction form
    16,389.68/24,584.40 = 7,619.72/x
  3. Step 3: Cross multiply
    16,389.68x = 24,584.40 × 7,619.72
  4. Step 4: Simplify right side
    16,389.68x = 187,326,244.37
  5. Step 5: Solve for x
    x = 187,326,244.37/16,389.68
  6. Step 6: Final answer
    x = 11,429.52

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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.