Home / 12,495.18-18,733.51-7,563.65

Finding the Fourth Proportional to 12,495.18, 18,733.51 and 7,563.65

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Solution

The fourth proportional to 12,495.18, 18,733.51 and 7,563.65 is: 11,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,495.18 : 18,733.51 = 7,563.65 : x
  2. Step 2: Convert to fraction form
    12,495.18/18,733.51 = 7,563.65/x
  3. Step 3: Cross multiply
    12,495.18x = 18,733.51 × 7,563.65
  4. Step 4: Simplify right side
    12,495.18x = 141,693,712.91
  5. Step 5: Solve for x
    x = 141,693,712.91/12,495.18
  6. Step 6: Final answer
    x = 11,339.87

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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.