Home / 12,884.06-19,298.32-8,701.07

Finding the Fourth Proportional to 12,884.06, 19,298.32 and 8,701.07

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Solution

The fourth proportional to 12,884.06, 19,298.32 and 8,701.07 is: 13,032.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.06 : 19,298.32 = 8,701.07 : x
  2. Step 2: Convert to fraction form
    12,884.06/19,298.32 = 8,701.07/x
  3. Step 3: Cross multiply
    12,884.06x = 19,298.32 × 8,701.07
  4. Step 4: Simplify right side
    12,884.06x = 167,915,989.70
  5. Step 5: Solve for x
    x = 167,915,989.70/12,884.06
  6. Step 6: Final answer
    x = 13,032.85

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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.