Home / 19,659.14-27,117.60-18,346.94

Finding the Fourth Proportional to 19,659.14, 27,117.60 and 18,346.94

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Solution

The fourth proportional to 19,659.14, 27,117.60 and 18,346.94 is: 25,307.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.14 : 27,117.60 = 18,346.94 : x
  2. Step 2: Convert to fraction form
    19,659.14/27,117.60 = 18,346.94/x
  3. Step 3: Cross multiply
    19,659.14x = 27,117.60 × 18,346.94
  4. Step 4: Simplify right side
    19,659.14x = 497,524,980.14
  5. Step 5: Solve for x
    x = 497,524,980.14/19,659.14
  6. Step 6: Final answer
    x = 25,307.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.