Home / 17,239.71-23,789.34-9,685.45

Finding the Fourth Proportional to 17,239.71, 23,789.34 and 9,685.45

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Solution

The fourth proportional to 17,239.71, 23,789.34 and 9,685.45 is: 13,365.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.71 : 23,789.34 = 9,685.45 : x
  2. Step 2: Convert to fraction form
    17,239.71/23,789.34 = 9,685.45/x
  3. Step 3: Cross multiply
    17,239.71x = 23,789.34 × 9,685.45
  4. Step 4: Simplify right side
    17,239.71x = 230,410,463.10
  5. Step 5: Solve for x
    x = 230,410,463.10/17,239.71
  6. Step 6: Final answer
    x = 13,365.10

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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.