Home / 18,117.36-27,174.72-5,637.04

Finding the Fourth Proportional to 18,117.36, 27,174.72 and 5,637.04

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Solution

The fourth proportional to 18,117.36, 27,174.72 and 5,637.04 is: 8,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.36 : 27,174.72 = 5,637.04 : x
  2. Step 2: Convert to fraction form
    18,117.36/27,174.72 = 5,637.04/x
  3. Step 3: Cross multiply
    18,117.36x = 27,174.72 × 5,637.04
  4. Step 4: Simplify right side
    18,117.36x = 153,184,983.63
  5. Step 5: Solve for x
    x = 153,184,983.63/18,117.36
  6. Step 6: Final answer
    x = 8,455.15

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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.