Home / 9,426.44-14,139.70-3,186.51

Finding the Fourth Proportional to 9,426.44, 14,139.70 and 3,186.51

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Solution

The fourth proportional to 9,426.44, 14,139.70 and 3,186.51 is: 4,779.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,426.44 : 14,139.70 = 3,186.51 : x
  2. Step 2: Convert to fraction form
    9,426.44/14,139.70 = 3,186.51/x
  3. Step 3: Cross multiply
    9,426.44x = 14,139.70 × 3,186.51
  4. Step 4: Simplify right side
    9,426.44x = 45,056,234.46
  5. Step 5: Solve for x
    x = 45,056,234.46/9,426.44
  6. Step 6: Final answer
    x = 4,779.77

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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.