Home / 11,642.40-16,065.99-6,337.08

Finding the Fourth Proportional to 11,642.40, 16,065.99 and 6,337.08

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Solution

The fourth proportional to 11,642.40, 16,065.99 and 6,337.08 is: 8,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,642.40 : 16,065.99 = 6,337.08 : x
  2. Step 2: Convert to fraction form
    11,642.40/16,065.99 = 6,337.08/x
  3. Step 3: Cross multiply
    11,642.40x = 16,065.99 × 6,337.08
  4. Step 4: Simplify right side
    11,642.40x = 101,811,463.91
  5. Step 5: Solve for x
    x = 101,811,463.91/11,642.40
  6. Step 6: Final answer
    x = 8,744.89

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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.