Home / 11,336.40-15,642.48-6,300.56

Finding the Fourth Proportional to 11,336.40, 15,642.48 and 6,300.56

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Solution

The fourth proportional to 11,336.40, 15,642.48 and 6,300.56 is: 8,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.40 : 15,642.48 = 6,300.56 : x
  2. Step 2: Convert to fraction form
    11,336.40/15,642.48 = 6,300.56/x
  3. Step 3: Cross multiply
    11,336.40x = 15,642.48 × 6,300.56
  4. Step 4: Simplify right side
    11,336.40x = 98,556,383.79
  5. Step 5: Solve for x
    x = 98,556,383.79/11,336.40
  6. Step 6: Final answer
    x = 8,693.80

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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.