Home / 11,330.40-15,635.74-6,294.57

Finding the Fourth Proportional to 11,330.40, 15,635.74 and 6,294.57

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Solution

The fourth proportional to 11,330.40, 15,635.74 and 6,294.57 is: 8,686.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.40 : 15,635.74 = 6,294.57 : x
  2. Step 2: Convert to fraction form
    11,330.40/15,635.74 = 6,294.57/x
  3. Step 3: Cross multiply
    11,330.40x = 15,635.74 × 6,294.57
  4. Step 4: Simplify right side
    11,330.40x = 98,420,259.93
  5. Step 5: Solve for x
    x = 98,420,259.93/11,330.40
  6. Step 6: Final answer
    x = 8,686.39

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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.