Home / 12,927.38-19,391.14-4,607.72

Finding the Fourth Proportional to 12,927.38, 19,391.14 and 4,607.72

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Solution

The fourth proportional to 12,927.38, 19,391.14 and 4,607.72 is: 6,911.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,927.38 : 19,391.14 = 4,607.72 : x
  2. Step 2: Convert to fraction form
    12,927.38/19,391.14 = 4,607.72/x
  3. Step 3: Cross multiply
    12,927.38x = 19,391.14 × 4,607.72
  4. Step 4: Simplify right side
    12,927.38x = 89,348,943.60
  5. Step 5: Solve for x
    x = 89,348,943.60/12,927.38
  6. Step 6: Final answer
    x = 6,911.60

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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.