Home / 11,219.54-15,480.23-7,646.27

Finding the Fourth Proportional to 11,219.54, 15,480.23 and 7,646.27

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Solution

The fourth proportional to 11,219.54, 15,480.23 and 7,646.27 is: 10,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.54 : 15,480.23 = 7,646.27 : x
  2. Step 2: Convert to fraction form
    11,219.54/15,480.23 = 7,646.27/x
  3. Step 3: Cross multiply
    11,219.54x = 15,480.23 × 7,646.27
  4. Step 4: Simplify right side
    11,219.54x = 118,365,902.61
  5. Step 5: Solve for x
    x = 118,365,902.61/11,219.54
  6. Step 6: Final answer
    x = 10,549.98

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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.