Home / 10,327.06-15,477.90-4,772.89

Finding the Fourth Proportional to 10,327.06, 15,477.90 and 4,772.89

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Solution

The fourth proportional to 10,327.06, 15,477.90 and 4,772.89 is: 7,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,327.06 : 15,477.90 = 4,772.89 : x
  2. Step 2: Convert to fraction form
    10,327.06/15,477.90 = 4,772.89/x
  3. Step 3: Cross multiply
    10,327.06x = 15,477.90 × 4,772.89
  4. Step 4: Simplify right side
    10,327.06x = 73,874,314.13
  5. Step 5: Solve for x
    x = 73,874,314.13/10,327.06
  6. Step 6: Final answer
    x = 7,153.47

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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.