Home / 11,313.58-15,612.74-6,277.86

Finding the Fourth Proportional to 11,313.58, 15,612.74 and 6,277.86

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Solution

The fourth proportional to 11,313.58, 15,612.74 and 6,277.86 is: 8,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.58 : 15,612.74 = 6,277.86 : x
  2. Step 2: Convert to fraction form
    11,313.58/15,612.74 = 6,277.86/x
  3. Step 3: Cross multiply
    11,313.58x = 15,612.74 × 6,277.86
  4. Step 4: Simplify right side
    11,313.58x = 98,014,595.94
  5. Step 5: Solve for x
    x = 98,014,595.94/11,313.58
  6. Step 6: Final answer
    x = 8,663.45

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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.