Home / 11,376.04-15,698.70-6,340.60

Finding the Fourth Proportional to 11,376.04, 15,698.70 and 6,340.60

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Solution

The fourth proportional to 11,376.04, 15,698.70 and 6,340.60 is: 8,749.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,376.04 : 15,698.70 = 6,340.60 : x
  2. Step 2: Convert to fraction form
    11,376.04/15,698.70 = 6,340.60/x
  3. Step 3: Cross multiply
    11,376.04x = 15,698.70 × 6,340.60
  4. Step 4: Simplify right side
    11,376.04x = 99,539,177.22
  5. Step 5: Solve for x
    x = 99,539,177.22/11,376.04
  6. Step 6: Final answer
    x = 8,749.90

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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.