Home / 11,330.40-15,636.15-6,295.08

Finding the Fourth Proportional to 11,330.40, 15,636.15 and 6,295.08

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Solution

The fourth proportional to 11,330.40, 15,636.15 and 6,295.08 is: 8,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.40 : 15,636.15 = 6,295.08 : x
  2. Step 2: Convert to fraction form
    11,330.40/15,636.15 = 6,295.08/x
  3. Step 3: Cross multiply
    11,330.40x = 15,636.15 × 6,295.08
  4. Step 4: Simplify right side
    11,330.40x = 98,430,815.14
  5. Step 5: Solve for x
    x = 98,430,815.14/11,330.40
  6. Step 6: Final answer
    x = 8,687.32

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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.