Home / 14,513.85-20,010.57-9,400.33

Finding the Fourth Proportional to 14,513.85, 20,010.57 and 9,400.33

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Solution

The fourth proportional to 14,513.85, 20,010.57 and 9,400.33 is: 12,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,513.85 : 20,010.57 = 9,400.33 : x
  2. Step 2: Convert to fraction form
    14,513.85/20,010.57 = 9,400.33/x
  3. Step 3: Cross multiply
    14,513.85x = 20,010.57 × 9,400.33
  4. Step 4: Simplify right side
    14,513.85x = 188,105,979.77
  5. Step 5: Solve for x
    x = 188,105,979.77/14,513.85
  6. Step 6: Final answer
    x = 12,960.45

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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.