Home / 10,818.09-16,228.80-4,578.14

Finding the Fourth Proportional to 10,818.09, 16,228.80 and 4,578.14

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Solution

The fourth proportional to 10,818.09, 16,228.80 and 4,578.14 is: 6,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,818.09 : 16,228.80 = 4,578.14 : x
  2. Step 2: Convert to fraction form
    10,818.09/16,228.80 = 4,578.14/x
  3. Step 3: Cross multiply
    10,818.09x = 16,228.80 × 4,578.14
  4. Step 4: Simplify right side
    10,818.09x = 74,297,637.29
  5. Step 5: Solve for x
    x = 74,297,637.29/10,818.09
  6. Step 6: Final answer
    x = 6,867.91

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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.