Home / 12,477.03-18,710.36-5,076.46

Finding the Fourth Proportional to 12,477.03, 18,710.36 and 5,076.46

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Solution

The fourth proportional to 12,477.03, 18,710.36 and 5,076.46 is: 7,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.03 : 18,710.36 = 5,076.46 : x
  2. Step 2: Convert to fraction form
    12,477.03/18,710.36 = 5,076.46/x
  3. Step 3: Cross multiply
    12,477.03x = 18,710.36 × 5,076.46
  4. Step 4: Simplify right side
    12,477.03x = 94,982,411.17
  5. Step 5: Solve for x
    x = 94,982,411.17/12,477.03
  6. Step 6: Final answer
    x = 7,612.58

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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.