Home / 19,127.70-26,395.70-10,629.61

Finding the Fourth Proportional to 19,127.70, 26,395.70 and 10,629.61

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Solution

The fourth proportional to 19,127.70, 26,395.70 and 10,629.61 is: 14,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.70 : 26,395.70 = 10,629.61 : x
  2. Step 2: Convert to fraction form
    19,127.70/26,395.70 = 10,629.61/x
  3. Step 3: Cross multiply
    19,127.70x = 26,395.70 × 10,629.61
  4. Step 4: Simplify right side
    19,127.70x = 280,575,811.55
  5. Step 5: Solve for x
    x = 280,575,811.55/19,127.70
  6. Step 6: Final answer
    x = 14,668.56

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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.