Home / 19,284.90-28,931.58-8,201.07

Finding the Fourth Proportional to 19,284.90, 28,931.58 and 8,201.07

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Solution

The fourth proportional to 19,284.90, 28,931.58 and 8,201.07 is: 12,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.90 : 28,931.58 = 8,201.07 : x
  2. Step 2: Convert to fraction form
    19,284.90/28,931.58 = 8,201.07/x
  3. Step 3: Cross multiply
    19,284.90x = 28,931.58 × 8,201.07
  4. Step 4: Simplify right side
    19,284.90x = 237,269,912.79
  5. Step 5: Solve for x
    x = 237,269,912.79/19,284.90
  6. Step 6: Final answer
    x = 12,303.40

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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.