Home / 12,391.02-18,586.30-4,995.28

Finding the Fourth Proportional to 12,391.02, 18,586.30 and 4,995.28

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Solution

The fourth proportional to 12,391.02, 18,586.30 and 4,995.28 is: 7,492.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391.02 : 18,586.30 = 4,995.28 : x
  2. Step 2: Convert to fraction form
    12,391.02/18,586.30 = 4,995.28/x
  3. Step 3: Cross multiply
    12,391.02x = 18,586.30 × 4,995.28
  4. Step 4: Simplify right side
    12,391.02x = 92,843,772.66
  5. Step 5: Solve for x
    x = 92,843,772.66/12,391.02
  6. Step 6: Final answer
    x = 7,492.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.