Home / 18,823.42-25,975.38-10,865.17

Finding the Fourth Proportional to 18,823.42, 25,975.38 and 10,865.17

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Solution

The fourth proportional to 18,823.42, 25,975.38 and 10,865.17 is: 14,993.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,823.42 : 25,975.38 = 10,865.17 : x
  2. Step 2: Convert to fraction form
    18,823.42/25,975.38 = 10,865.17/x
  3. Step 3: Cross multiply
    18,823.42x = 25,975.38 × 10,865.17
  4. Step 4: Simplify right side
    18,823.42x = 282,226,919.51
  5. Step 5: Solve for x
    x = 282,226,919.51/18,823.42
  6. Step 6: Final answer
    x = 14,993.39

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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.