Home / 10,030.83-15,047.09-3,454.35

Finding the Fourth Proportional to 10,030.83, 15,047.09 and 3,454.35

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Solution

The fourth proportional to 10,030.83, 15,047.09 and 3,454.35 is: 5,181.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.83 : 15,047.09 = 3,454.35 : x
  2. Step 2: Convert to fraction form
    10,030.83/15,047.09 = 3,454.35/x
  3. Step 3: Cross multiply
    10,030.83x = 15,047.09 × 3,454.35
  4. Step 4: Simplify right side
    10,030.83x = 51,977,898.07
  5. Step 5: Solve for x
    x = 51,977,898.07/10,030.83
  6. Step 6: Final answer
    x = 5,181.81

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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.