Home / 13,779.69-19,025.37-9,249.17

Finding the Fourth Proportional to 13,779.69, 19,025.37 and 9,249.17

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Solution

The fourth proportional to 13,779.69, 19,025.37 and 9,249.17 is: 12,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779.69 : 19,025.37 = 9,249.17 : x
  2. Step 2: Convert to fraction form
    13,779.69/19,025.37 = 9,249.17/x
  3. Step 3: Cross multiply
    13,779.69x = 19,025.37 × 9,249.17
  4. Step 4: Simplify right side
    13,779.69x = 175,968,786.32
  5. Step 5: Solve for x
    x = 175,968,786.32/13,779.69
  6. Step 6: Final answer
    x = 12,770.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.