Home / 10,431.69-15,647.60-3,036.20

Finding the Fourth Proportional to 10,431.69, 15,647.60 and 3,036.20

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Solution

The fourth proportional to 10,431.69, 15,647.60 and 3,036.20 is: 4,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.69 : 15,647.60 = 3,036.20 : x
  2. Step 2: Convert to fraction form
    10,431.69/15,647.60 = 3,036.20/x
  3. Step 3: Cross multiply
    10,431.69x = 15,647.60 × 3,036.20
  4. Step 4: Simplify right side
    10,431.69x = 47,509,243.12
  5. Step 5: Solve for x
    x = 47,509,243.12/10,431.69
  6. Step 6: Final answer
    x = 4,554.32

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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.