Home / 19,907.64-29,868.24-12,503.43

Finding the Fourth Proportional to 19,907.64, 29,868.24 and 12,503.43

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Solution

The fourth proportional to 19,907.64, 29,868.24 and 12,503.43 is: 18,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907.64 : 29,868.24 = 12,503.43 : x
  2. Step 2: Convert to fraction form
    19,907.64/29,868.24 = 12,503.43/x
  3. Step 3: Cross multiply
    19,907.64x = 29,868.24 × 12,503.43
  4. Step 4: Simplify right side
    19,907.64x = 373,455,494.95
  5. Step 5: Solve for x
    x = 373,455,494.95/19,907.64
  6. Step 6: Final answer
    x = 18,759.41

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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.