Home / 13,127.50-19,669.32-9,224.92

Finding the Fourth Proportional to 13,127.50, 19,669.32 and 9,224.92

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Solution

The fourth proportional to 13,127.50, 19,669.32 and 9,224.92 is: 13,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.50 : 19,669.32 = 9,224.92 : x
  2. Step 2: Convert to fraction form
    13,127.50/19,669.32 = 9,224.92/x
  3. Step 3: Cross multiply
    13,127.50x = 19,669.32 × 9,224.92
  4. Step 4: Simplify right side
    13,127.50x = 181,447,903.45
  5. Step 5: Solve for x
    x = 181,447,903.45/13,127.50
  6. Step 6: Final answer
    x = 13,821.97

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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.