Home / 11,077.88-16,598.37-7,953.21

Finding the Fourth Proportional to 11,077.88, 16,598.37 and 7,953.21

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Solution

The fourth proportional to 11,077.88, 16,598.37 and 7,953.21 is: 11,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.88 : 16,598.37 = 7,953.21 : x
  2. Step 2: Convert to fraction form
    11,077.88/16,598.37 = 7,953.21/x
  3. Step 3: Cross multiply
    11,077.88x = 16,598.37 × 7,953.21
  4. Step 4: Simplify right side
    11,077.88x = 132,010,322.27
  5. Step 5: Solve for x
    x = 132,010,322.27/11,077.88
  6. Step 6: Final answer
    x = 11,916.57

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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.