Home / 11,313.67-15,614.73-6,279.52

Finding the Fourth Proportional to 11,313.67, 15,614.73 and 6,279.52

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Solution

The fourth proportional to 11,313.67, 15,614.73 and 6,279.52 is: 8,666.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.67 : 15,614.73 = 6,279.52 : x
  2. Step 2: Convert to fraction form
    11,313.67/15,614.73 = 6,279.52/x
  3. Step 3: Cross multiply
    11,313.67x = 15,614.73 × 6,279.52
  4. Step 4: Simplify right side
    11,313.67x = 98,052,931.26
  5. Step 5: Solve for x
    x = 98,052,931.26/11,313.67
  6. Step 6: Final answer
    x = 8,666.77

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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.