Home / 13,077.21-19,615.45-4,757.38

Finding the Fourth Proportional to 13,077.21, 19,615.45 and 4,757.38

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Solution

The fourth proportional to 13,077.21, 19,615.45 and 4,757.38 is: 7,135.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,077.21 : 19,615.45 = 4,757.38 : x
  2. Step 2: Convert to fraction form
    13,077.21/19,615.45 = 4,757.38/x
  3. Step 3: Cross multiply
    13,077.21x = 19,615.45 × 4,757.38
  4. Step 4: Simplify right side
    13,077.21x = 93,318,097.51
  5. Step 5: Solve for x
    x = 93,318,097.51/13,077.21
  6. Step 6: Final answer
    x = 7,135.93

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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.