Home / 11,579.49-15,977.98-6,543.67

Finding the Fourth Proportional to 11,579.49, 15,977.98 and 6,543.67

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Solution

The fourth proportional to 11,579.49, 15,977.98 and 6,543.67 is: 9,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.49 : 15,977.98 = 6,543.67 : x
  2. Step 2: Convert to fraction form
    11,579.49/15,977.98 = 6,543.67/x
  3. Step 3: Cross multiply
    11,579.49x = 15,977.98 × 6,543.67
  4. Step 4: Simplify right side
    11,579.49x = 104,554,649.69
  5. Step 5: Solve for x
    x = 104,554,649.69/11,579.49
  6. Step 6: Final answer
    x = 9,029.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.