Home / 16,775.36-25,157.28-6,390.08

Finding the Fourth Proportional to 16,775.36, 25,157.28 and 6,390.08

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Solution

The fourth proportional to 16,775.36, 25,157.28 and 6,390.08 is: 9,582.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.36 : 25,157.28 = 6,390.08 : x
  2. Step 2: Convert to fraction form
    16,775.36/25,157.28 = 6,390.08/x
  3. Step 3: Cross multiply
    16,775.36x = 25,157.28 × 6,390.08
  4. Step 4: Simplify right side
    16,775.36x = 160,757,031.78
  5. Step 5: Solve for x
    x = 160,757,031.78/16,775.36
  6. Step 6: Final answer
    x = 9,582.93

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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.