Home / 11,328.70-15,633.60-6,293.40

Finding the Fourth Proportional to 11,328.70, 15,633.60 and 6,293.40

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Solution

The fourth proportional to 11,328.70, 15,633.60 and 6,293.40 is: 8,684.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.70 : 15,633.60 = 6,293.40 : x
  2. Step 2: Convert to fraction form
    11,328.70/15,633.60 = 6,293.40/x
  3. Step 3: Cross multiply
    11,328.70x = 15,633.60 × 6,293.40
  4. Step 4: Simplify right side
    11,328.70x = 98,388,498.24
  5. Step 5: Solve for x
    x = 98,388,498.24/11,328.70
  6. Step 6: Final answer
    x = 8,684.89

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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.