Home / 19,229.09-28,833.57-8,690.04

Finding the Fourth Proportional to 19,229.09, 28,833.57 and 8,690.04

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Solution

The fourth proportional to 19,229.09, 28,833.57 and 8,690.04 is: 13,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.09 : 28,833.57 = 8,690.04 : x
  2. Step 2: Convert to fraction form
    19,229.09/28,833.57 = 8,690.04/x
  3. Step 3: Cross multiply
    19,229.09x = 28,833.57 × 8,690.04
  4. Step 4: Simplify right side
    19,229.09x = 250,564,876.64
  5. Step 5: Solve for x
    x = 250,564,876.64/19,229.09
  6. Step 6: Final answer
    x = 13,030.51

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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.