Home / 12,903.13-19,354.72-3,543.27

Finding the Fourth Proportional to 12,903.13, 19,354.72 and 3,543.27

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Solution

The fourth proportional to 12,903.13, 19,354.72 and 3,543.27 is: 5,314.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.13 : 19,354.72 = 3,543.27 : x
  2. Step 2: Convert to fraction form
    12,903.13/19,354.72 = 3,543.27/x
  3. Step 3: Cross multiply
    12,903.13x = 19,354.72 × 3,543.27
  4. Step 4: Simplify right side
    12,903.13x = 68,578,998.73
  5. Step 5: Solve for x
    x = 68,578,998.73/12,903.13
  6. Step 6: Final answer
    x = 5,314.91

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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.