Home / 17,849.79-26,864.33-13,430.39

Finding the Fourth Proportional to 17,849.79, 26,864.33 and 13,430.39

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Solution

The fourth proportional to 17,849.79, 26,864.33 and 13,430.39 is: 20,213.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,849.79 : 26,864.33 = 13,430.39 : x
  2. Step 2: Convert to fraction form
    17,849.79/26,864.33 = 13,430.39/x
  3. Step 3: Cross multiply
    17,849.79x = 26,864.33 × 13,430.39
  4. Step 4: Simplify right side
    17,849.79x = 360,798,227.52
  5. Step 5: Solve for x
    x = 360,798,227.52/17,849.79
  6. Step 6: Final answer
    x = 20,213.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.