Home / 30,869.59-46,276.90-11,143.77

Finding the Fourth Proportional to 30,869.59, 46,276.90 and 11,143.77

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Solution

The fourth proportional to 30,869.59, 46,276.90 and 11,143.77 is: 16,705.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.59 : 46,276.90 = 11,143.77 : x
  2. Step 2: Convert to fraction form
    30,869.59/46,276.90 = 11,143.77/x
  3. Step 3: Cross multiply
    30,869.59x = 46,276.90 × 11,143.77
  4. Step 4: Simplify right side
    30,869.59x = 515,699,129.91
  5. Step 5: Solve for x
    x = 515,699,129.91/30,869.59
  6. Step 6: Final answer
    x = 16,705.73

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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.