Home / 11,181.41-15,430.02-6,145.62

Finding the Fourth Proportional to 11,181.41, 15,430.02 and 6,145.62

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Solution

The fourth proportional to 11,181.41, 15,430.02 and 6,145.62 is: 8,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.41 : 15,430.02 = 6,145.62 : x
  2. Step 2: Convert to fraction form
    11,181.41/15,430.02 = 6,145.62/x
  3. Step 3: Cross multiply
    11,181.41x = 15,430.02 × 6,145.62
  4. Step 4: Simplify right side
    11,181.41x = 94,827,039.51
  5. Step 5: Solve for x
    x = 94,827,039.51/11,181.41
  6. Step 6: Final answer
    x = 8,480.78

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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.