Home / 19,970.28-27,559.35-12,010.95

Finding the Fourth Proportional to 19,970.28, 27,559.35 and 12,010.95

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Solution

The fourth proportional to 19,970.28, 27,559.35 and 12,010.95 is: 16,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.28 : 27,559.35 = 12,010.95 : x
  2. Step 2: Convert to fraction form
    19,970.28/27,559.35 = 12,010.95/x
  3. Step 3: Cross multiply
    19,970.28x = 27,559.35 × 12,010.95
  4. Step 4: Simplify right side
    19,970.28x = 331,013,974.88
  5. Step 5: Solve for x
    x = 331,013,974.88/19,970.28
  6. Step 6: Final answer
    x = 16,575.33

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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.