Home / 16,925.63-25,389.79-5,238.81

Finding the Fourth Proportional to 16,925.63, 25,389.79 and 5,238.81

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Solution

The fourth proportional to 16,925.63, 25,389.79 and 5,238.81 is: 7,858.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,925.63 : 25,389.79 = 5,238.81 : x
  2. Step 2: Convert to fraction form
    16,925.63/25,389.79 = 5,238.81/x
  3. Step 3: Cross multiply
    16,925.63x = 25,389.79 × 5,238.81
  4. Step 4: Simplify right side
    16,925.63x = 133,012,272.65
  5. Step 5: Solve for x
    x = 133,012,272.65/16,925.63
  6. Step 6: Final answer
    x = 7,858.63

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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.