Home / 10,198.40-15,297.59-2,802.89

Finding the Fourth Proportional to 10,198.40, 15,297.59 and 2,802.89

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Solution

The fourth proportional to 10,198.40, 15,297.59 and 2,802.89 is: 4,204.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,198.40 : 15,297.59 = 2,802.89 : x
  2. Step 2: Convert to fraction form
    10,198.40/15,297.59 = 2,802.89/x
  3. Step 3: Cross multiply
    10,198.40x = 15,297.59 × 2,802.89
  4. Step 4: Simplify right side
    10,198.40x = 42,877,507.29
  5. Step 5: Solve for x
    x = 42,877,507.29/10,198.40
  6. Step 6: Final answer
    x = 4,204.34

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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.