Home / 16,858.61-25,289.13-6,470.36

Finding the Fourth Proportional to 16,858.61, 25,289.13 and 6,470.36

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Solution

The fourth proportional to 16,858.61, 25,289.13 and 6,470.36 is: 9,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.61 : 25,289.13 = 6,470.36 : x
  2. Step 2: Convert to fraction form
    16,858.61/25,289.13 = 6,470.36/x
  3. Step 3: Cross multiply
    16,858.61x = 25,289.13 × 6,470.36
  4. Step 4: Simplify right side
    16,858.61x = 163,629,775.19
  5. Step 5: Solve for x
    x = 163,629,775.19/16,858.61
  6. Step 6: Final answer
    x = 9,706.01

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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.