Home / 11,281.77-15,567.81-6,245.75

Finding the Fourth Proportional to 11,281.77, 15,567.81 and 6,245.75

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Solution

The fourth proportional to 11,281.77, 15,567.81 and 6,245.75 is: 8,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.77 : 15,567.81 = 6,245.75 : x
  2. Step 2: Convert to fraction form
    11,281.77/15,567.81 = 6,245.75/x
  3. Step 3: Cross multiply
    11,281.77x = 15,567.81 × 6,245.75
  4. Step 4: Simplify right side
    11,281.77x = 97,232,629.80
  5. Step 5: Solve for x
    x = 97,232,629.80/11,281.77
  6. Step 6: Final answer
    x = 8,618.56

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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.