Home / 14,125.26-19,492.87-7,837.63

Finding the Fourth Proportional to 14,125.26, 19,492.87 and 7,837.63

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Solution

The fourth proportional to 14,125.26, 19,492.87 and 7,837.63 is: 10,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.26 : 19,492.87 = 7,837.63 : x
  2. Step 2: Convert to fraction form
    14,125.26/19,492.87 = 7,837.63/x
  3. Step 3: Cross multiply
    14,125.26x = 19,492.87 × 7,837.63
  4. Step 4: Simplify right side
    14,125.26x = 152,777,902.70
  5. Step 5: Solve for x
    x = 152,777,902.70/14,125.26
  6. Step 6: Final answer
    x = 10,815.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.