Home / 12,941.43-19,408.05-5,543.93

Finding the Fourth Proportional to 12,941.43, 19,408.05 and 5,543.93

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Solution

The fourth proportional to 12,941.43, 19,408.05 and 5,543.93 is: 8,314.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.43 : 19,408.05 = 5,543.93 : x
  2. Step 2: Convert to fraction form
    12,941.43/19,408.05 = 5,543.93/x
  3. Step 3: Cross multiply
    12,941.43x = 19,408.05 × 5,543.93
  4. Step 4: Simplify right side
    12,941.43x = 107,596,773.60
  5. Step 5: Solve for x
    x = 107,596,773.60/12,941.43
  6. Step 6: Final answer
    x = 8,314.13

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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.