Home / 14,916.44-20,579.57-9,249.15

Finding the Fourth Proportional to 14,916.44, 20,579.57 and 9,249.15

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Solution

The fourth proportional to 14,916.44, 20,579.57 and 9,249.15 is: 12,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,916.44 : 20,579.57 = 9,249.15 : x
  2. Step 2: Convert to fraction form
    14,916.44/20,579.57 = 9,249.15/x
  3. Step 3: Cross multiply
    14,916.44x = 20,579.57 × 9,249.15
  4. Step 4: Simplify right side
    14,916.44x = 190,343,510.12
  5. Step 5: Solve for x
    x = 190,343,510.12/14,916.44
  6. Step 6: Final answer
    x = 12,760.65

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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.