Home / 11,314.63-15,614.36-6,279.18

Finding the Fourth Proportional to 11,314.63, 15,614.36 and 6,279.18

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Solution

The fourth proportional to 11,314.63, 15,614.36 and 6,279.18 is: 8,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.63 : 15,614.36 = 6,279.18 : x
  2. Step 2: Convert to fraction form
    11,314.63/15,614.36 = 6,279.18/x
  3. Step 3: Cross multiply
    11,314.63x = 15,614.36 × 6,279.18
  4. Step 4: Simplify right side
    11,314.63x = 98,045,334.17
  5. Step 5: Solve for x
    x = 98,045,334.17/11,314.63
  6. Step 6: Final answer
    x = 8,665.36

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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.