Home / 11,308.57-15,605.81-6,273.55

Finding the Fourth Proportional to 11,308.57, 15,605.81 and 6,273.55

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Solution

The fourth proportional to 11,308.57, 15,605.81 and 6,273.55 is: 8,657.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.57 : 15,605.81 = 6,273.55 : x
  2. Step 2: Convert to fraction form
    11,308.57/15,605.81 = 6,273.55/x
  3. Step 3: Cross multiply
    11,308.57x = 15,605.81 × 6,273.55
  4. Step 4: Simplify right side
    11,308.57x = 97,903,840.99
  5. Step 5: Solve for x
    x = 97,903,840.99/11,308.57
  6. Step 6: Final answer
    x = 8,657.49

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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.