Home / 13,394.22-18,484.10-7,425.51

Finding the Fourth Proportional to 13,394.22, 18,484.10 and 7,425.51

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Solution

The fourth proportional to 13,394.22, 18,484.10 and 7,425.51 is: 10,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.22 : 18,484.10 = 7,425.51 : x
  2. Step 2: Convert to fraction form
    13,394.22/18,484.10 = 7,425.51/x
  3. Step 3: Cross multiply
    13,394.22x = 18,484.10 × 7,425.51
  4. Step 4: Simplify right side
    13,394.22x = 137,253,869.39
  5. Step 5: Solve for x
    x = 137,253,869.39/13,394.22
  6. Step 6: Final answer
    x = 10,247.25

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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.