Home / 16,678.34-25,017.50-6,687.60

Finding the Fourth Proportional to 16,678.34, 25,017.50 and 6,687.60

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Solution

The fourth proportional to 16,678.34, 25,017.50 and 6,687.60 is: 10,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.34 : 25,017.50 = 6,687.60 : x
  2. Step 2: Convert to fraction form
    16,678.34/25,017.50 = 6,687.60/x
  3. Step 3: Cross multiply
    16,678.34x = 25,017.50 × 6,687.60
  4. Step 4: Simplify right side
    16,678.34x = 167,307,033
  5. Step 5: Solve for x
    x = 167,307,033/16,678.34
  6. Step 6: Final answer
    x = 10,031.40

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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.