Home / 12,360.24-18,540.30-4,045.98

Finding the Fourth Proportional to 12,360.24, 18,540.30 and 4,045.98

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Solution

The fourth proportional to 12,360.24, 18,540.30 and 4,045.98 is: 6,068.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.24 : 18,540.30 = 4,045.98 : x
  2. Step 2: Convert to fraction form
    12,360.24/18,540.30 = 4,045.98/x
  3. Step 3: Cross multiply
    12,360.24x = 18,540.30 × 4,045.98
  4. Step 4: Simplify right side
    12,360.24x = 75,013,682.99
  5. Step 5: Solve for x
    x = 75,013,682.99/12,360.24
  6. Step 6: Final answer
    x = 6,068.95

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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.