Home / 15,267.94-23,005.91-12,555.37

Finding the Fourth Proportional to 15,267.94, 23,005.91 and 12,555.37

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Solution

The fourth proportional to 15,267.94, 23,005.91 and 12,555.37 is: 18,918.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,267.94 : 23,005.91 = 12,555.37 : x
  2. Step 2: Convert to fraction form
    15,267.94/23,005.91 = 12,555.37/x
  3. Step 3: Cross multiply
    15,267.94x = 23,005.91 × 12,555.37
  4. Step 4: Simplify right side
    15,267.94x = 288,847,591.95
  5. Step 5: Solve for x
    x = 288,847,591.95/15,267.94
  6. Step 6: Final answer
    x = 18,918.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.