Home / 13,259.70-18,298.85-7,291.82

Finding the Fourth Proportional to 13,259.70, 18,298.85 and 7,291.82

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Solution

The fourth proportional to 13,259.70, 18,298.85 and 7,291.82 is: 10,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.70 : 18,298.85 = 7,291.82 : x
  2. Step 2: Convert to fraction form
    13,259.70/18,298.85 = 7,291.82/x
  3. Step 3: Cross multiply
    13,259.70x = 18,298.85 × 7,291.82
  4. Step 4: Simplify right side
    13,259.70x = 133,431,902.09
  5. Step 5: Solve for x
    x = 133,431,902.09/13,259.70
  6. Step 6: Final answer
    x = 10,062.97

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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.