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Finding the Fourth Proportional to 16,745.16, 25,117.74 and 6,356.91

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Solution

The fourth proportional to 16,745.16, 25,117.74 and 6,356.91 is: 9,535.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,745.16 : 25,117.74 = 6,356.91 : x
  2. Step 2: Convert to fraction form
    16,745.16/25,117.74 = 6,356.91/x
  3. Step 3: Cross multiply
    16,745.16x = 25,117.74 × 6,356.91
  4. Step 4: Simplify right side
    16,745.16x = 159,671,212.58
  5. Step 5: Solve for x
    x = 159,671,212.58/16,745.16
  6. Step 6: Final answer
    x = 9,535.37

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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.