Home / 11,349.60-15,661.72-6,313.56

Finding the Fourth Proportional to 11,349.60, 15,661.72 and 6,313.56

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Solution

The fourth proportional to 11,349.60, 15,661.72 and 6,313.56 is: 8,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.60 : 15,661.72 = 6,313.56 : x
  2. Step 2: Convert to fraction form
    11,349.60/15,661.72 = 6,313.56/x
  3. Step 3: Cross multiply
    11,349.60x = 15,661.72 × 6,313.56
  4. Step 4: Simplify right side
    11,349.60x = 98,881,208.92
  5. Step 5: Solve for x
    x = 98,881,208.92/11,349.60
  6. Step 6: Final answer
    x = 8,712.31

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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.