Home / 13,427.40-18,529.29-7,459.44

Finding the Fourth Proportional to 13,427.40, 18,529.29 and 7,459.44

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Solution

The fourth proportional to 13,427.40, 18,529.29 and 7,459.44 is: 10,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,427.40 : 18,529.29 = 7,459.44 : x
  2. Step 2: Convert to fraction form
    13,427.40/18,529.29 = 7,459.44/x
  3. Step 3: Cross multiply
    13,427.40x = 18,529.29 × 7,459.44
  4. Step 4: Simplify right side
    13,427.40x = 138,218,191.97
  5. Step 5: Solve for x
    x = 138,218,191.97/13,427.40
  6. Step 6: Final answer
    x = 10,293.74

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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.