Home / 11,888.09-16,403.98-6,582.18

Finding the Fourth Proportional to 11,888.09, 16,403.98 and 6,582.18

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Solution

The fourth proportional to 11,888.09, 16,403.98 and 6,582.18 is: 9,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.09 : 16,403.98 = 6,582.18 : x
  2. Step 2: Convert to fraction form
    11,888.09/16,403.98 = 6,582.18/x
  3. Step 3: Cross multiply
    11,888.09x = 16,403.98 × 6,582.18
  4. Step 4: Simplify right side
    11,888.09x = 107,973,949.08
  5. Step 5: Solve for x
    x = 107,973,949.08/11,888.09
  6. Step 6: Final answer
    x = 9,082.53

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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.