Home / 17,102.60-25,634.70-8,779.40

Finding the Fourth Proportional to 17,102.60, 25,634.70 and 8,779.40

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Solution

The fourth proportional to 17,102.60, 25,634.70 and 8,779.40 is: 13,159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,102.60 : 25,634.70 = 8,779.40 : x
  2. Step 2: Convert to fraction form
    17,102.60/25,634.70 = 8,779.40/x
  3. Step 3: Cross multiply
    17,102.60x = 25,634.70 × 8,779.40
  4. Step 4: Simplify right side
    17,102.60x = 225,057,285.18
  5. Step 5: Solve for x
    x = 225,057,285.18/17,102.60
  6. Step 6: Final answer
    x = 13,159.24

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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.