Home / 12,545.10-18,817.46-3,057.50

Finding the Fourth Proportional to 12,545.10, 18,817.46 and 3,057.50

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Solution

The fourth proportional to 12,545.10, 18,817.46 and 3,057.50 is: 4,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.10 : 18,817.46 = 3,057.50 : x
  2. Step 2: Convert to fraction form
    12,545.10/18,817.46 = 3,057.50/x
  3. Step 3: Cross multiply
    12,545.10x = 18,817.46 × 3,057.50
  4. Step 4: Simplify right side
    12,545.10x = 57,534,383.95
  5. Step 5: Solve for x
    x = 57,534,383.95/12,545.10
  6. Step 6: Final answer
    x = 4,586.20

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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.