Home / 25,111.92-34,652.90-13,779.12

Finding the Fourth Proportional to 25,111.92, 34,652.90 and 13,779.12

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Solution

The fourth proportional to 25,111.92, 34,652.90 and 13,779.12 is: 19,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,111.92 : 34,652.90 = 13,779.12 : x
  2. Step 2: Convert to fraction form
    25,111.92/34,652.90 = 13,779.12/x
  3. Step 3: Cross multiply
    25,111.92x = 34,652.90 × 13,779.12
  4. Step 4: Simplify right side
    25,111.92x = 477,486,467.45
  5. Step 5: Solve for x
    x = 477,486,467.45/25,111.92
  6. Step 6: Final answer
    x = 19,014.34

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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.