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Finding the Fourth Proportional to 18,466.68, 25,483.86 and 10,083

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Solution

The fourth proportional to 18,466.68, 25,483.86 and 10,083 is: 13,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.68 : 25,483.86 = 10,083 : x
  2. Step 2: Convert to fraction form
    18,466.68/25,483.86 = 10,083/x
  3. Step 3: Cross multiply
    18,466.68x = 25,483.86 × 10,083
  4. Step 4: Simplify right side
    18,466.68x = 256,953,760.38
  5. Step 5: Solve for x
    x = 256,953,760.38/18,466.68
  6. Step 6: Final answer
    x = 13,914.45

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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.