Home / 19,103.59-26,362.97-10,720.09

Finding the Fourth Proportional to 19,103.59, 26,362.97 and 10,720.09

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Solution

The fourth proportional to 19,103.59, 26,362.97 and 10,720.09 is: 14,793.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.59 : 26,362.97 = 10,720.09 : x
  2. Step 2: Convert to fraction form
    19,103.59/26,362.97 = 10,720.09/x
  3. Step 3: Cross multiply
    19,103.59x = 26,362.97 × 10,720.09
  4. Step 4: Simplify right side
    19,103.59x = 282,613,411.07
  5. Step 5: Solve for x
    x = 282,613,411.07/19,103.59
  6. Step 6: Final answer
    x = 14,793.73

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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.