Home / 12,537.24-18,802.75-5,143.76

Finding the Fourth Proportional to 12,537.24, 18,802.75 and 5,143.76

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Solution

The fourth proportional to 12,537.24, 18,802.75 and 5,143.76 is: 7,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.24 : 18,802.75 = 5,143.76 : x
  2. Step 2: Convert to fraction form
    12,537.24/18,802.75 = 5,143.76/x
  3. Step 3: Cross multiply
    12,537.24x = 18,802.75 × 5,143.76
  4. Step 4: Simplify right side
    12,537.24x = 96,716,833.34
  5. Step 5: Solve for x
    x = 96,716,833.34/12,537.24
  6. Step 6: Final answer
    x = 7,714.36

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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.