Home / 13,017.58-19,536.70-6,779.36

Finding the Fourth Proportional to 13,017.58, 19,536.70 and 6,779.36

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Solution

The fourth proportional to 13,017.58, 19,536.70 and 6,779.36 is: 10,174.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.58 : 19,536.70 = 6,779.36 : x
  2. Step 2: Convert to fraction form
    13,017.58/19,536.70 = 6,779.36/x
  3. Step 3: Cross multiply
    13,017.58x = 19,536.70 × 6,779.36
  4. Step 4: Simplify right side
    13,017.58x = 132,446,322.51
  5. Step 5: Solve for x
    x = 132,446,322.51/13,017.58
  6. Step 6: Final answer
    x = 10,174.42

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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.