Home / 10,056.96-15,076.80-4,855.68

Finding the Fourth Proportional to 10,056.96, 15,076.80 and 4,855.68

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Solution

The fourth proportional to 10,056.96, 15,076.80 and 4,855.68 is: 7,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.96 : 15,076.80 = 4,855.68 : x
  2. Step 2: Convert to fraction form
    10,056.96/15,076.80 = 4,855.68/x
  3. Step 3: Cross multiply
    10,056.96x = 15,076.80 × 4,855.68
  4. Step 4: Simplify right side
    10,056.96x = 73,208,116.22
  5. Step 5: Solve for x
    x = 73,208,116.22/10,056.96
  6. Step 6: Final answer
    x = 7,279.35

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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.