Home / 12,934.86-19,381.98-8,993.77

Finding the Fourth Proportional to 12,934.86, 19,381.98 and 8,993.77

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Solution

The fourth proportional to 12,934.86, 19,381.98 and 8,993.77 is: 13,476.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934.86 : 19,381.98 = 8,993.77 : x
  2. Step 2: Convert to fraction form
    12,934.86/19,381.98 = 8,993.77/x
  3. Step 3: Cross multiply
    12,934.86x = 19,381.98 × 8,993.77
  4. Step 4: Simplify right side
    12,934.86x = 174,317,070.26
  5. Step 5: Solve for x
    x = 174,317,070.26/12,934.86
  6. Step 6: Final answer
    x = 13,476.53

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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.