Home / 8,996.80-12,415.68-5,017.92

Finding the Fourth Proportional to 8,996.80, 12,415.68 and 5,017.92

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Solution

The fourth proportional to 8,996.80, 12,415.68 and 5,017.92 is: 6,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,996.80 : 12,415.68 = 5,017.92 : x
  2. Step 2: Convert to fraction form
    8,996.80/12,415.68 = 5,017.92/x
  3. Step 3: Cross multiply
    8,996.80x = 12,415.68 × 5,017.92
  4. Step 4: Simplify right side
    8,996.80x = 62,300,888.99
  5. Step 5: Solve for x
    x = 62,300,888.99/8,996.80
  6. Step 6: Final answer
    x = 6,924.78

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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.