Home / 10,284.72-15,428.25-4,043.89

Finding the Fourth Proportional to 10,284.72, 15,428.25 and 4,043.89

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Solution

The fourth proportional to 10,284.72, 15,428.25 and 4,043.89 is: 6,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.72 : 15,428.25 = 4,043.89 : x
  2. Step 2: Convert to fraction form
    10,284.72/15,428.25 = 4,043.89/x
  3. Step 3: Cross multiply
    10,284.72x = 15,428.25 × 4,043.89
  4. Step 4: Simplify right side
    10,284.72x = 62,390,145.89
  5. Step 5: Solve for x
    x = 62,390,145.89/10,284.72
  6. Step 6: Final answer
    x = 6,066.30

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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.