Home / 18,685.29-25,782.98-10,727.85

Finding the Fourth Proportional to 18,685.29, 25,782.98 and 10,727.85

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Solution

The fourth proportional to 18,685.29, 25,782.98 and 10,727.85 is: 14,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,685.29 : 25,782.98 = 10,727.85 : x
  2. Step 2: Convert to fraction form
    18,685.29/25,782.98 = 10,727.85/x
  3. Step 3: Cross multiply
    18,685.29x = 25,782.98 × 10,727.85
  4. Step 4: Simplify right side
    18,685.29x = 276,595,888.35
  5. Step 5: Solve for x
    x = 276,595,888.35/18,685.29
  6. Step 6: Final answer
    x = 14,802.87

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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.