Home / 12,336.30-18,505.53-4,545.18

Finding the Fourth Proportional to 12,336.30, 18,505.53 and 4,545.18

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Solution

The fourth proportional to 12,336.30, 18,505.53 and 4,545.18 is: 6,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.30 : 18,505.53 = 4,545.18 : x
  2. Step 2: Convert to fraction form
    12,336.30/18,505.53 = 4,545.18/x
  3. Step 3: Cross multiply
    12,336.30x = 18,505.53 × 4,545.18
  4. Step 4: Simplify right side
    12,336.30x = 84,110,964.85
  5. Step 5: Solve for x
    x = 84,110,964.85/12,336.30
  6. Step 6: Final answer
    x = 6,818.17

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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.