Home / 12,533.63-18,787.93-6,274.53

Finding the Fourth Proportional to 12,533.63, 18,787.93 and 6,274.53

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Solution

The fourth proportional to 12,533.63, 18,787.93 and 6,274.53 is: 9,405.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533.63 : 18,787.93 = 6,274.53 : x
  2. Step 2: Convert to fraction form
    12,533.63/18,787.93 = 6,274.53/x
  3. Step 3: Cross multiply
    12,533.63x = 18,787.93 × 6,274.53
  4. Step 4: Simplify right side
    12,533.63x = 117,885,414.74
  5. Step 5: Solve for x
    x = 117,885,414.74/12,533.63
  6. Step 6: Final answer
    x = 9,405.53

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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.