Home / 11,180.02-15,428.34-6,144.30

Finding the Fourth Proportional to 11,180.02, 15,428.34 and 6,144.30

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Solution

The fourth proportional to 11,180.02, 15,428.34 and 6,144.30 is: 8,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.02 : 15,428.34 = 6,144.30 : x
  2. Step 2: Convert to fraction form
    11,180.02/15,428.34 = 6,144.30/x
  3. Step 3: Cross multiply
    11,180.02x = 15,428.34 × 6,144.30
  4. Step 4: Simplify right side
    11,180.02x = 94,796,349.46
  5. Step 5: Solve for x
    x = 94,796,349.46/11,180.02
  6. Step 6: Final answer
    x = 8,479.09

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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.