Home / 9,800.89-13,523.66-6,445.06

Finding the Fourth Proportional to 9,800.89, 13,523.66 and 6,445.06

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Solution

The fourth proportional to 9,800.89, 13,523.66 and 6,445.06 is: 8,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.89 : 13,523.66 = 6,445.06 : x
  2. Step 2: Convert to fraction form
    9,800.89/13,523.66 = 6,445.06/x
  3. Step 3: Cross multiply
    9,800.89x = 13,523.66 × 6,445.06
  4. Step 4: Simplify right side
    9,800.89x = 87,160,758.25
  5. Step 5: Solve for x
    x = 87,160,758.25/9,800.89
  6. Step 6: Final answer
    x = 8,893.15

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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.