Home / 18,659.04-27,992.26-5,332.16

Finding the Fourth Proportional to 18,659.04, 27,992.26 and 5,332.16

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Solution

The fourth proportional to 18,659.04, 27,992.26 and 5,332.16 is: 7,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.04 : 27,992.26 = 5,332.16 : x
  2. Step 2: Convert to fraction form
    18,659.04/27,992.26 = 5,332.16/x
  3. Step 3: Cross multiply
    18,659.04x = 27,992.26 × 5,332.16
  4. Step 4: Simplify right side
    18,659.04x = 149,259,209.08
  5. Step 5: Solve for x
    x = 149,259,209.08/18,659.04
  6. Step 6: Final answer
    x = 7,999.30

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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.