Home / 15,579.36-23,338.78-13,834.08

Finding the Fourth Proportional to 15,579.36, 23,338.78 and 13,834.08

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Solution

The fourth proportional to 15,579.36, 23,338.78 and 13,834.08 is: 20,724.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.36 : 23,338.78 = 13,834.08 : x
  2. Step 2: Convert to fraction form
    15,579.36/23,338.78 = 13,834.08/x
  3. Step 3: Cross multiply
    15,579.36x = 23,338.78 × 13,834.08
  4. Step 4: Simplify right side
    15,579.36x = 322,870,549.62
  5. Step 5: Solve for x
    x = 322,870,549.62/15,579.36
  6. Step 6: Final answer
    x = 20,724.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.