Home / 17,089.68-25,639.60-8,775.56

Finding the Fourth Proportional to 17,089.68, 25,639.60 and 8,775.56

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Solution

The fourth proportional to 17,089.68, 25,639.60 and 8,775.56 is: 13,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,089.68 : 25,639.60 = 8,775.56 : x
  2. Step 2: Convert to fraction form
    17,089.68/25,639.60 = 8,775.56/x
  3. Step 3: Cross multiply
    17,089.68x = 25,639.60 × 8,775.56
  4. Step 4: Simplify right side
    17,089.68x = 225,001,848.18
  5. Step 5: Solve for x
    x = 225,001,848.18/17,089.68
  6. Step 6: Final answer
    x = 13,165.95

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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.