Home / 12,748.53-19,111.46-4,955.52

Finding the Fourth Proportional to 12,748.53, 19,111.46 and 4,955.52

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Solution

The fourth proportional to 12,748.53, 19,111.46 and 4,955.52 is: 7,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.53 : 19,111.46 = 4,955.52 : x
  2. Step 2: Convert to fraction form
    12,748.53/19,111.46 = 4,955.52/x
  3. Step 3: Cross multiply
    12,748.53x = 19,111.46 × 4,955.52
  4. Step 4: Simplify right side
    12,748.53x = 94,707,197.48
  5. Step 5: Solve for x
    x = 94,707,197.48/12,748.53
  6. Step 6: Final answer
    x = 7,428.87

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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.