Home / 13,127.24-19,668.95-9,224.66

Finding the Fourth Proportional to 13,127.24, 19,668.95 and 9,224.66

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Solution

The fourth proportional to 13,127.24, 19,668.95 and 9,224.66 is: 13,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.24 : 19,668.95 = 9,224.66 : x
  2. Step 2: Convert to fraction form
    13,127.24/19,668.95 = 9,224.66/x
  3. Step 3: Cross multiply
    13,127.24x = 19,668.95 × 9,224.66
  4. Step 4: Simplify right side
    13,127.24x = 181,439,376.31
  5. Step 5: Solve for x
    x = 181,439,376.31/13,127.24
  6. Step 6: Final answer
    x = 13,821.59

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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.