Home / 10,431.90-14,394.51-5,954.94

Finding the Fourth Proportional to 10,431.90, 14,394.51 and 5,954.94

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Solution

The fourth proportional to 10,431.90, 14,394.51 and 5,954.94 is: 8,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.90 : 14,394.51 = 5,954.94 : x
  2. Step 2: Convert to fraction form
    10,431.90/14,394.51 = 5,954.94/x
  3. Step 3: Cross multiply
    10,431.90x = 14,394.51 × 5,954.94
  4. Step 4: Simplify right side
    10,431.90x = 85,718,443.38
  5. Step 5: Solve for x
    x = 85,718,443.38/10,431.90
  6. Step 6: Final answer
    x = 8,216.95

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Half scale
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Double scale
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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.