Home / 10,109.84-15,166.94-4,918.64

Finding the Fourth Proportional to 10,109.84, 15,166.94 and 4,918.64

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Solution

The fourth proportional to 10,109.84, 15,166.94 and 4,918.64 is: 7,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.84 : 15,166.94 = 4,918.64 : x
  2. Step 2: Convert to fraction form
    10,109.84/15,166.94 = 4,918.64/x
  3. Step 3: Cross multiply
    10,109.84x = 15,166.94 × 4,918.64
  4. Step 4: Simplify right side
    10,109.84x = 74,600,717.76
  5. Step 5: Solve for x
    x = 74,600,717.76/10,109.84
  6. Step 6: Final answer
    x = 7,379.02

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1.5x scale

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.