Home / 12,948.85-19,423.25-5,548.51

Finding the Fourth Proportional to 12,948.85, 19,423.25 and 5,548.51

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Solution

The fourth proportional to 12,948.85, 19,423.25 and 5,548.51 is: 8,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.85 : 19,423.25 = 5,548.51 : x
  2. Step 2: Convert to fraction form
    12,948.85/19,423.25 = 5,548.51/x
  3. Step 3: Cross multiply
    12,948.85x = 19,423.25 × 5,548.51
  4. Step 4: Simplify right side
    12,948.85x = 107,770,096.86
  5. Step 5: Solve for x
    x = 107,770,096.86/12,948.85
  6. Step 6: Final answer
    x = 8,322.75

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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.