Home / 13,176.83-19,733.57-7,537.40

Finding the Fourth Proportional to 13,176.83, 19,733.57 and 7,537.40

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Solution

The fourth proportional to 13,176.83, 19,733.57 and 7,537.40 is: 11,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.83 : 19,733.57 = 7,537.40 : x
  2. Step 2: Convert to fraction form
    13,176.83/19,733.57 = 7,537.40/x
  3. Step 3: Cross multiply
    13,176.83x = 19,733.57 × 7,537.40
  4. Step 4: Simplify right side
    13,176.83x = 148,739,878.70
  5. Step 5: Solve for x
    x = 148,739,878.70/13,176.83
  6. Step 6: Final answer
    x = 11,287.98

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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.