Home / 16,677.52-25,018.72-6,291.68

Finding the Fourth Proportional to 16,677.52, 25,018.72 and 6,291.68

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Solution

The fourth proportional to 16,677.52, 25,018.72 and 6,291.68 is: 9,438.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.52 : 25,018.72 = 6,291.68 : x
  2. Step 2: Convert to fraction form
    16,677.52/25,018.72 = 6,291.68/x
  3. Step 3: Cross multiply
    16,677.52x = 25,018.72 × 6,291.68
  4. Step 4: Simplify right side
    16,677.52x = 157,409,780.25
  5. Step 5: Solve for x
    x = 157,409,780.25/16,677.52
  6. Step 6: Final answer
    x = 9,438.44

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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.