Home / 11,330.19-15,636.10-6,294.79

Finding the Fourth Proportional to 11,330.19, 15,636.10 and 6,294.79

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Solution

The fourth proportional to 11,330.19, 15,636.10 and 6,294.79 is: 8,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.19 : 15,636.10 = 6,294.79 : x
  2. Step 2: Convert to fraction form
    11,330.19/15,636.10 = 6,294.79/x
  3. Step 3: Cross multiply
    11,330.19x = 15,636.10 × 6,294.79
  4. Step 4: Simplify right side
    11,330.19x = 98,425,965.92
  5. Step 5: Solve for x
    x = 98,425,965.92/11,330.19
  6. Step 6: Final answer
    x = 8,687.05

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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.