Home / 13,976.96-20,966.85-4,617

Finding the Fourth Proportional to 13,976.96, 20,966.85 and 4,617

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Solution

The fourth proportional to 13,976.96, 20,966.85 and 4,617 is: 6,925.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.96 : 20,966.85 = 4,617 : x
  2. Step 2: Convert to fraction form
    13,976.96/20,966.85 = 4,617/x
  3. Step 3: Cross multiply
    13,976.96x = 20,966.85 × 4,617
  4. Step 4: Simplify right side
    13,976.96x = 96,803,946.45
  5. Step 5: Solve for x
    x = 96,803,946.45/13,976.96
  6. Step 6: Final answer
    x = 6,925.97

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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.