Home / 10,889.64-16,324.74-5,038.20

Finding the Fourth Proportional to 10,889.64, 16,324.74 and 5,038.20

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Solution

The fourth proportional to 10,889.64, 16,324.74 and 5,038.20 is: 7,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.64 : 16,324.74 = 5,038.20 : x
  2. Step 2: Convert to fraction form
    10,889.64/16,324.74 = 5,038.20/x
  3. Step 3: Cross multiply
    10,889.64x = 16,324.74 × 5,038.20
  4. Step 4: Simplify right side
    10,889.64x = 82,247,305.07
  5. Step 5: Solve for x
    x = 82,247,305.07/10,889.64
  6. Step 6: Final answer
    x = 7,552.80

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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.