Home / 12,549.50-18,825.12-5,154.33

Finding the Fourth Proportional to 12,549.50, 18,825.12 and 5,154.33

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Solution

The fourth proportional to 12,549.50, 18,825.12 and 5,154.33 is: 7,731.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,549.50 : 18,825.12 = 5,154.33 : x
  2. Step 2: Convert to fraction form
    12,549.50/18,825.12 = 5,154.33/x
  3. Step 3: Cross multiply
    12,549.50x = 18,825.12 × 5,154.33
  4. Step 4: Simplify right side
    12,549.50x = 97,030,880.77
  5. Step 5: Solve for x
    x = 97,030,880.77/12,549.50
  6. Step 6: Final answer
    x = 7,731.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.