Home / 12,403.38-17,097.70-7,614.48

Finding the Fourth Proportional to 12,403.38, 17,097.70 and 7,614.48

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Solution

The fourth proportional to 12,403.38, 17,097.70 and 7,614.48 is: 10,496.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.38 : 17,097.70 = 7,614.48 : x
  2. Step 2: Convert to fraction form
    12,403.38/17,097.70 = 7,614.48/x
  3. Step 3: Cross multiply
    12,403.38x = 17,097.70 × 7,614.48
  4. Step 4: Simplify right side
    12,403.38x = 130,190,094.70
  5. Step 5: Solve for x
    x = 130,190,094.70/12,403.38
  6. Step 6: Final answer
    x = 10,496.34

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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.