Home / 18,240-27,341.30-13,848.16

Finding the Fourth Proportional to 18,240, 27,341.30 and 13,848.16

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Solution

The fourth proportional to 18,240, 27,341.30 and 13,848.16 is: 20,758.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240 : 27,341.30 = 13,848.16 : x
  2. Step 2: Convert to fraction form
    18,240/27,341.30 = 13,848.16/x
  3. Step 3: Cross multiply
    18,240x = 27,341.30 × 13,848.16
  4. Step 4: Simplify right side
    18,240x = 378,626,697.01
  5. Step 5: Solve for x
    x = 378,626,697.01/18,240
  6. Step 6: Final answer
    x = 20,758.04

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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.