Home / 10,672.13-16,012.34-4,430.58

Finding the Fourth Proportional to 10,672.13, 16,012.34 and 4,430.58

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Solution

The fourth proportional to 10,672.13, 16,012.34 and 4,430.58 is: 6,647.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,672.13 : 16,012.34 = 4,430.58 : x
  2. Step 2: Convert to fraction form
    10,672.13/16,012.34 = 4,430.58/x
  3. Step 3: Cross multiply
    10,672.13x = 16,012.34 × 4,430.58
  4. Step 4: Simplify right side
    10,672.13x = 70,943,953.36
  5. Step 5: Solve for x
    x = 70,943,953.36/10,672.13
  6. Step 6: Final answer
    x = 6,647.59

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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.