Home / 19,496.90-26,908.74-12,801.92

Finding the Fourth Proportional to 19,496.90, 26,908.74 and 12,801.92

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Solution

The fourth proportional to 19,496.90, 26,908.74 and 12,801.92 is: 17,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.90 : 26,908.74 = 12,801.92 : x
  2. Step 2: Convert to fraction form
    19,496.90/26,908.74 = 12,801.92/x
  3. Step 3: Cross multiply
    19,496.90x = 26,908.74 × 12,801.92
  4. Step 4: Simplify right side
    19,496.90x = 344,483,402.24
  5. Step 5: Solve for x
    x = 344,483,402.24/19,496.90
  6. Step 6: Final answer
    x = 17,668.62

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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.