Home / 18,402.21-25,394.18-10,443.35

Finding the Fourth Proportional to 18,402.21, 25,394.18 and 10,443.35

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Solution

The fourth proportional to 18,402.21, 25,394.18 and 10,443.35 is: 14,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.21 : 25,394.18 = 10,443.35 : x
  2. Step 2: Convert to fraction form
    18,402.21/25,394.18 = 10,443.35/x
  3. Step 3: Cross multiply
    18,402.21x = 25,394.18 × 10,443.35
  4. Step 4: Simplify right side
    18,402.21x = 265,200,320.97
  5. Step 5: Solve for x
    x = 265,200,320.97/18,402.21
  6. Step 6: Final answer
    x = 14,411.33

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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.