Home / 11,864.89-16,373.41-6,559.80

Finding the Fourth Proportional to 11,864.89, 16,373.41 and 6,559.80

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Solution

The fourth proportional to 11,864.89, 16,373.41 and 6,559.80 is: 9,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.89 : 16,373.41 = 6,559.80 : x
  2. Step 2: Convert to fraction form
    11,864.89/16,373.41 = 6,559.80/x
  3. Step 3: Cross multiply
    11,864.89x = 16,373.41 × 6,559.80
  4. Step 4: Simplify right side
    11,864.89x = 107,406,294.92
  5. Step 5: Solve for x
    x = 107,406,294.92/11,864.89
  6. Step 6: Final answer
    x = 9,052.45

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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.