Home / 13,552.84-20,328.06-4,787.32

Finding the Fourth Proportional to 13,552.84, 20,328.06 and 4,787.32

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Solution

The fourth proportional to 13,552.84, 20,328.06 and 4,787.32 is: 7,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.84 : 20,328.06 = 4,787.32 : x
  2. Step 2: Convert to fraction form
    13,552.84/20,328.06 = 4,787.32/x
  3. Step 3: Cross multiply
    13,552.84x = 20,328.06 × 4,787.32
  4. Step 4: Simplify right side
    13,552.84x = 97,316,928.20
  5. Step 5: Solve for x
    x = 97,316,928.20/13,552.84
  6. Step 6: Final answer
    x = 7,180.56

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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.