Home / 11,038.61-16,557.92-2,718.79

Finding the Fourth Proportional to 11,038.61, 16,557.92 and 2,718.79

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Solution

The fourth proportional to 11,038.61, 16,557.92 and 2,718.79 is: 4,078.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,038.61 : 16,557.92 = 2,718.79 : x
  2. Step 2: Convert to fraction form
    11,038.61/16,557.92 = 2,718.79/x
  3. Step 3: Cross multiply
    11,038.61x = 16,557.92 × 2,718.79
  4. Step 4: Simplify right side
    11,038.61x = 45,017,555.66
  5. Step 5: Solve for x
    x = 45,017,555.66/11,038.61
  6. Step 6: Final answer
    x = 4,078.19

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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.