Home / 11,313.77-15,612.76-6,277.88

Finding the Fourth Proportional to 11,313.77, 15,612.76 and 6,277.88

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Solution

The fourth proportional to 11,313.77, 15,612.76 and 6,277.88 is: 8,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.77 : 15,612.76 = 6,277.88 : x
  2. Step 2: Convert to fraction form
    11,313.77/15,612.76 = 6,277.88/x
  3. Step 3: Cross multiply
    11,313.77x = 15,612.76 × 6,277.88
  4. Step 4: Simplify right side
    11,313.77x = 98,015,033.75
  5. Step 5: Solve for x
    x = 98,015,033.75/11,313.77
  6. Step 6: Final answer
    x = 8,663.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.