Home / 13,277.27-19,918.91-4,392.58

Finding the Fourth Proportional to 13,277.27, 19,918.91 and 4,392.58

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Solution

The fourth proportional to 13,277.27, 19,918.91 and 4,392.58 is: 6,589.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.27 : 19,918.91 = 4,392.58 : x
  2. Step 2: Convert to fraction form
    13,277.27/19,918.91 = 4,392.58/x
  3. Step 3: Cross multiply
    13,277.27x = 19,918.91 × 4,392.58
  4. Step 4: Simplify right side
    13,277.27x = 87,495,460.98
  5. Step 5: Solve for x
    x = 87,495,460.98/13,277.27
  6. Step 6: Final answer
    x = 6,589.87

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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.