Home / 12,675.34-19,017.87-5,277.81

Finding the Fourth Proportional to 12,675.34, 19,017.87 and 5,277.81

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Solution

The fourth proportional to 12,675.34, 19,017.87 and 5,277.81 is: 7,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.34 : 19,017.87 = 5,277.81 : x
  2. Step 2: Convert to fraction form
    12,675.34/19,017.87 = 5,277.81/x
  3. Step 3: Cross multiply
    12,675.34x = 19,017.87 × 5,277.81
  4. Step 4: Simplify right side
    12,675.34x = 100,372,704.46
  5. Step 5: Solve for x
    x = 100,372,704.46/12,675.34
  6. Step 6: Final answer
    x = 7,918.74

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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.