Home / 11,759.16-17,615.61-6,818.40

Finding the Fourth Proportional to 11,759.16, 17,615.61 and 6,818.40

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Solution

The fourth proportional to 11,759.16, 17,615.61 and 6,818.40 is: 10,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,759.16 : 17,615.61 = 6,818.40 : x
  2. Step 2: Convert to fraction form
    11,759.16/17,615.61 = 6,818.40/x
  3. Step 3: Cross multiply
    11,759.16x = 17,615.61 × 6,818.40
  4. Step 4: Simplify right side
    11,759.16x = 120,110,275.22
  5. Step 5: Solve for x
    x = 120,110,275.22/11,759.16
  6. Step 6: Final answer
    x = 10,214.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.