Home / 11,215.57-16,827.30-6,289.35

Finding the Fourth Proportional to 11,215.57, 16,827.30 and 6,289.35

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Solution

The fourth proportional to 11,215.57, 16,827.30 and 6,289.35 is: 9,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.57 : 16,827.30 = 6,289.35 : x
  2. Step 2: Convert to fraction form
    11,215.57/16,827.30 = 6,289.35/x
  3. Step 3: Cross multiply
    11,215.57x = 16,827.30 × 6,289.35
  4. Step 4: Simplify right side
    11,215.57x = 105,832,779.26
  5. Step 5: Solve for x
    x = 105,832,779.26/11,215.57
  6. Step 6: Final answer
    x = 9,436.24

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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.