Home / 17,017.92-25,518.24-7,776

Finding the Fourth Proportional to 17,017.92, 25,518.24 and 7,776

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Solution

The fourth proportional to 17,017.92, 25,518.24 and 7,776 is: 11,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,017.92 : 25,518.24 = 7,776 : x
  2. Step 2: Convert to fraction form
    17,017.92/25,518.24 = 7,776/x
  3. Step 3: Cross multiply
    17,017.92x = 25,518.24 × 7,776
  4. Step 4: Simplify right side
    17,017.92x = 198,429,834.24
  5. Step 5: Solve for x
    x = 198,429,834.24/17,017.92
  6. Step 6: Final answer
    x = 11,660.05

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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.