Home / 13,814.15-19,062.95-7,845.80

Finding the Fourth Proportional to 13,814.15, 19,062.95 and 7,845.80

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Solution

The fourth proportional to 13,814.15, 19,062.95 and 7,845.80 is: 10,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.15 : 19,062.95 = 7,845.80 : x
  2. Step 2: Convert to fraction form
    13,814.15/19,062.95 = 7,845.80/x
  3. Step 3: Cross multiply
    13,814.15x = 19,062.95 × 7,845.80
  4. Step 4: Simplify right side
    13,814.15x = 149,563,958.57
  5. Step 5: Solve for x
    x = 149,563,958.57/13,814.15
  6. Step 6: Final answer
    x = 10,826.87

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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.