Home / 9,821.22-13,558.14-6,693.81

Finding the Fourth Proportional to 9,821.22, 13,558.14 and 6,693.81

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Solution

The fourth proportional to 9,821.22, 13,558.14 and 6,693.81 is: 9,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.22 : 13,558.14 = 6,693.81 : x
  2. Step 2: Convert to fraction form
    9,821.22/13,558.14 = 6,693.81/x
  3. Step 3: Cross multiply
    9,821.22x = 13,558.14 × 6,693.81
  4. Step 4: Simplify right side
    9,821.22x = 90,755,613.11
  5. Step 5: Solve for x
    x = 90,755,613.11/9,821.22
  6. Step 6: Final answer
    x = 9,240.77

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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.