Home / 12,480.02-18,715.26-4,158.44

Finding the Fourth Proportional to 12,480.02, 18,715.26 and 4,158.44

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Solution

The fourth proportional to 12,480.02, 18,715.26 and 4,158.44 is: 6,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480.02 : 18,715.26 = 4,158.44 : x
  2. Step 2: Convert to fraction form
    12,480.02/18,715.26 = 4,158.44/x
  3. Step 3: Cross multiply
    12,480.02x = 18,715.26 × 4,158.44
  4. Step 4: Simplify right side
    12,480.02x = 77,826,285.79
  5. Step 5: Solve for x
    x = 77,826,285.79/12,480.02
  6. Step 6: Final answer
    x = 6,236.07

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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.