Home / 19,143.49-26,430.87-14,659.23

Finding the Fourth Proportional to 19,143.49, 26,430.87 and 14,659.23

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Solution

The fourth proportional to 19,143.49, 26,430.87 and 14,659.23 is: 20,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.49 : 26,430.87 = 14,659.23 : x
  2. Step 2: Convert to fraction form
    19,143.49/26,430.87 = 14,659.23/x
  3. Step 3: Cross multiply
    19,143.49x = 26,430.87 × 14,659.23
  4. Step 4: Simplify right side
    19,143.49x = 387,456,202.43
  5. Step 5: Solve for x
    x = 387,456,202.43/19,143.49
  6. Step 6: Final answer
    x = 20,239.58

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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.