Home / 22,741.68-31,379.34-12,669.87

Finding the Fourth Proportional to 22,741.68, 31,379.34 and 12,669.87

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Solution

The fourth proportional to 22,741.68, 31,379.34 and 12,669.87 is: 17,482.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,741.68 : 31,379.34 = 12,669.87 : x
  2. Step 2: Convert to fraction form
    22,741.68/31,379.34 = 12,669.87/x
  3. Step 3: Cross multiply
    22,741.68x = 31,379.34 × 12,669.87
  4. Step 4: Simplify right side
    22,741.68x = 397,572,158.49
  5. Step 5: Solve for x
    x = 397,572,158.49/22,741.68
  6. Step 6: Final answer
    x = 17,482.09

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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.