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Finding the Fourth Proportional to 18,283.35, 25,233.53 and 10,522

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Solution

The fourth proportional to 18,283.35, 25,233.53 and 10,522 is: 14,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.35 : 25,233.53 = 10,522 : x
  2. Step 2: Convert to fraction form
    18,283.35/25,233.53 = 10,522/x
  3. Step 3: Cross multiply
    18,283.35x = 25,233.53 × 10,522
  4. Step 4: Simplify right side
    18,283.35x = 265,507,150.05
  5. Step 5: Solve for x
    x = 265,507,150.05/18,283.35
  6. Step 6: Final answer
    x = 14,521.80

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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.