Home / 19,284.12-28,916.46-9,408.60

Finding the Fourth Proportional to 19,284.12, 28,916.46 and 9,408.60

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Solution

The fourth proportional to 19,284.12, 28,916.46 and 9,408.60 is: 14,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.12 : 28,916.46 = 9,408.60 : x
  2. Step 2: Convert to fraction form
    19,284.12/28,916.46 = 9,408.60/x
  3. Step 3: Cross multiply
    19,284.12x = 28,916.46 × 9,408.60
  4. Step 4: Simplify right side
    19,284.12x = 272,063,405.56
  5. Step 5: Solve for x
    x = 272,063,405.56/19,284.12
  6. Step 6: Final answer
    x = 14,108.16

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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.