Home / 19,884.25-27,417.72-12,704.68

Finding the Fourth Proportional to 19,884.25, 27,417.72 and 12,704.68

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Solution

The fourth proportional to 19,884.25, 27,417.72 and 12,704.68 is: 17,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.25 : 27,417.72 = 12,704.68 : x
  2. Step 2: Convert to fraction form
    19,884.25/27,417.72 = 12,704.68/x
  3. Step 3: Cross multiply
    19,884.25x = 27,417.72 × 12,704.68
  4. Step 4: Simplify right side
    19,884.25x = 348,333,358.93
  5. Step 5: Solve for x
    x = 348,333,358.93/19,884.25
  6. Step 6: Final answer
    x = 17,518.05

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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.