Home / 19,474.95-26,886.24-12,770.43

Finding the Fourth Proportional to 19,474.95, 26,886.24 and 12,770.43

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Solution

The fourth proportional to 19,474.95, 26,886.24 and 12,770.43 is: 17,630.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,474.95 : 26,886.24 = 12,770.43 : x
  2. Step 2: Convert to fraction form
    19,474.95/26,886.24 = 12,770.43/x
  3. Step 3: Cross multiply
    19,474.95x = 26,886.24 × 12,770.43
  4. Step 4: Simplify right side
    19,474.95x = 343,348,845.88
  5. Step 5: Solve for x
    x = 343,348,845.88/19,474.95
  6. Step 6: Final answer
    x = 17,630.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.