Home / 11,068.09-16,588.92-6,378.40

Finding the Fourth Proportional to 11,068.09, 16,588.92 and 6,378.40

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Solution

The fourth proportional to 11,068.09, 16,588.92 and 6,378.40 is: 9,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.09 : 16,588.92 = 6,378.40 : x
  2. Step 2: Convert to fraction form
    11,068.09/16,588.92 = 6,378.40/x
  3. Step 3: Cross multiply
    11,068.09x = 16,588.92 × 6,378.40
  4. Step 4: Simplify right side
    11,068.09x = 105,810,652.49
  5. Step 5: Solve for x
    x = 105,810,652.49/11,068.09
  6. Step 6: Final answer
    x = 9,559.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.