Home / 11,854.66-16,360.29-6,820.45

Finding the Fourth Proportional to 11,854.66, 16,360.29 and 6,820.45

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Solution

The fourth proportional to 11,854.66, 16,360.29 and 6,820.45 is: 9,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.66 : 16,360.29 = 6,820.45 : x
  2. Step 2: Convert to fraction form
    11,854.66/16,360.29 = 6,820.45/x
  3. Step 3: Cross multiply
    11,854.66x = 16,360.29 × 6,820.45
  4. Step 4: Simplify right side
    11,854.66x = 111,584,539.93
  5. Step 5: Solve for x
    x = 111,584,539.93/11,854.66
  6. Step 6: Final answer
    x = 9,412.72

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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.