Home / 19,105.13-26,367.50-10,721.63

Finding the Fourth Proportional to 19,105.13, 26,367.50 and 10,721.63

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Solution

The fourth proportional to 19,105.13, 26,367.50 and 10,721.63 is: 14,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.13 : 26,367.50 = 10,721.63 : x
  2. Step 2: Convert to fraction form
    19,105.13/26,367.50 = 10,721.63/x
  3. Step 3: Cross multiply
    19,105.13x = 26,367.50 × 10,721.63
  4. Step 4: Simplify right side
    19,105.13x = 282,702,473.99
  5. Step 5: Solve for x
    x = 282,702,473.99/19,105.13
  6. Step 6: Final answer
    x = 14,797.21

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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.