Home / 10,926.09-16,390.08-4,686.39

Finding the Fourth Proportional to 10,926.09, 16,390.08 and 4,686.39

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Solution

The fourth proportional to 10,926.09, 16,390.08 and 4,686.39 is: 7,029.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.09 : 16,390.08 = 4,686.39 : x
  2. Step 2: Convert to fraction form
    10,926.09/16,390.08 = 4,686.39/x
  3. Step 3: Cross multiply
    10,926.09x = 16,390.08 × 4,686.39
  4. Step 4: Simplify right side
    10,926.09x = 76,810,307.01
  5. Step 5: Solve for x
    x = 76,810,307.01/10,926.09
  6. Step 6: Final answer
    x = 7,029.99

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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.