Home / 19,015.10-28,515.60-6,531.60

Finding the Fourth Proportional to 19,015.10, 28,515.60 and 6,531.60

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Solution

The fourth proportional to 19,015.10, 28,515.60 and 6,531.60 is: 9,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.10 : 28,515.60 = 6,531.60 : x
  2. Step 2: Convert to fraction form
    19,015.10/28,515.60 = 6,531.60/x
  3. Step 3: Cross multiply
    19,015.10x = 28,515.60 × 6,531.60
  4. Step 4: Simplify right side
    19,015.10x = 186,252,492.96
  5. Step 5: Solve for x
    x = 186,252,492.96/19,015.10
  6. Step 6: Final answer
    x = 9,794.98

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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.