Home / 13,124.49-19,698.11-6,888.91

Finding the Fourth Proportional to 13,124.49, 19,698.11 and 6,888.91

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Solution

The fourth proportional to 13,124.49, 19,698.11 and 6,888.91 is: 10,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.49 : 19,698.11 = 6,888.91 : x
  2. Step 2: Convert to fraction form
    13,124.49/19,698.11 = 6,888.91/x
  3. Step 3: Cross multiply
    13,124.49x = 19,698.11 × 6,888.91
  4. Step 4: Simplify right side
    13,124.49x = 135,698,506.96
  5. Step 5: Solve for x
    x = 135,698,506.96/13,124.49
  6. Step 6: Final answer
    x = 10,339.34

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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.