Home / 9,428.58-14,139.22-3,186.92

Finding the Fourth Proportional to 9,428.58, 14,139.22 and 3,186.92

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Solution

The fourth proportional to 9,428.58, 14,139.22 and 3,186.92 is: 4,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.58 : 14,139.22 = 3,186.92 : x
  2. Step 2: Convert to fraction form
    9,428.58/14,139.22 = 3,186.92/x
  3. Step 3: Cross multiply
    9,428.58x = 14,139.22 × 3,186.92
  4. Step 4: Simplify right side
    9,428.58x = 45,060,563.00
  5. Step 5: Solve for x
    x = 45,060,563.00/9,428.58
  6. Step 6: Final answer
    x = 4,779.15

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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.