Home / 18,349.80-27,519.30-5,203.32

Finding the Fourth Proportional to 18,349.80, 27,519.30 and 5,203.32

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Solution

The fourth proportional to 18,349.80, 27,519.30 and 5,203.32 is: 7,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.80 : 27,519.30 = 5,203.32 : x
  2. Step 2: Convert to fraction form
    18,349.80/27,519.30 = 5,203.32/x
  3. Step 3: Cross multiply
    18,349.80x = 27,519.30 × 5,203.32
  4. Step 4: Simplify right side
    18,349.80x = 143,191,724.08
  5. Step 5: Solve for x
    x = 143,191,724.08/18,349.80
  6. Step 6: Final answer
    x = 7,803.45

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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.