Home / 25,109.68-34,650.70-13,779.14

Finding the Fourth Proportional to 25,109.68, 34,650.70 and 13,779.14

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Solution

The fourth proportional to 25,109.68, 34,650.70 and 13,779.14 is: 19,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.68 : 34,650.70 = 13,779.14 : x
  2. Step 2: Convert to fraction form
    25,109.68/34,650.70 = 13,779.14/x
  3. Step 3: Cross multiply
    25,109.68x = 34,650.70 × 13,779.14
  4. Step 4: Simplify right side
    25,109.68x = 477,456,846.40
  5. Step 5: Solve for x
    x = 477,456,846.40/25,109.68
  6. Step 6: Final answer
    x = 19,014.85

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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.