Home / 12,925.38-19,388.14-4,605.72

Finding the Fourth Proportional to 12,925.38, 19,388.14 and 4,605.72

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Solution

The fourth proportional to 12,925.38, 19,388.14 and 4,605.72 is: 6,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.38 : 19,388.14 = 4,605.72 : x
  2. Step 2: Convert to fraction form
    12,925.38/19,388.14 = 4,605.72/x
  3. Step 3: Cross multiply
    12,925.38x = 19,388.14 × 4,605.72
  4. Step 4: Simplify right side
    12,925.38x = 89,296,285.85
  5. Step 5: Solve for x
    x = 89,296,285.85/12,925.38
  6. Step 6: Final answer
    x = 6,908.60

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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.