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Finding the Fourth Proportional to 18,402.92, 25,394.00 and 10,334.93

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Solution

The fourth proportional to 18,402.92, 25,394.00 and 10,334.93 is: 14,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402.92 : 25,394.00 = 10,334.93 : x
  2. Step 2: Convert to fraction form
    18,402.92/25,394.00 = 10,334.93/x
  3. Step 3: Cross multiply
    18,402.92x = 25,394.00 × 10,334.93
  4. Step 4: Simplify right side
    18,402.92x = 262,445,301.74
  5. Step 5: Solve for x
    x = 262,445,301.74/18,402.92
  6. Step 6: Final answer
    x = 14,261.07

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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.