Home / 19,790.61-29,696.84-11,030.46

Finding the Fourth Proportional to 19,790.61, 29,696.84 and 11,030.46

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Solution

The fourth proportional to 19,790.61, 29,696.84 and 11,030.46 is: 16,551.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,790.61 : 29,696.84 = 11,030.46 : x
  2. Step 2: Convert to fraction form
    19,790.61/29,696.84 = 11,030.46/x
  3. Step 3: Cross multiply
    19,790.61x = 29,696.84 × 11,030.46
  4. Step 4: Simplify right side
    19,790.61x = 327,569,805.75
  5. Step 5: Solve for x
    x = 327,569,805.75/19,790.61
  6. Step 6: Final answer
    x = 16,551.78

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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.