Home / 18,279.07-25,224.92-10,320.82

Finding the Fourth Proportional to 18,279.07, 25,224.92 and 10,320.82

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Solution

The fourth proportional to 18,279.07, 25,224.92 and 10,320.82 is: 14,242.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.07 : 25,224.92 = 10,320.82 : x
  2. Step 2: Convert to fraction form
    18,279.07/25,224.92 = 10,320.82/x
  3. Step 3: Cross multiply
    18,279.07x = 25,224.92 × 10,320.82
  4. Step 4: Simplify right side
    18,279.07x = 260,341,782.87
  5. Step 5: Solve for x
    x = 260,341,782.87/18,279.07
  6. Step 6: Final answer
    x = 14,242.62

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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.