Home / 12,948.89-19,423.35-5,548.55

Finding the Fourth Proportional to 12,948.89, 19,423.35 and 5,548.55

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Solution

The fourth proportional to 12,948.89, 19,423.35 and 5,548.55 is: 8,322.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.89 : 19,423.35 = 5,548.55 : x
  2. Step 2: Convert to fraction form
    12,948.89/19,423.35 = 5,548.55/x
  3. Step 3: Cross multiply
    12,948.89x = 19,423.35 × 5,548.55
  4. Step 4: Simplify right side
    12,948.89x = 107,771,400.90
  5. Step 5: Solve for x
    x = 107,771,400.90/12,948.89
  6. Step 6: Final answer
    x = 8,322.83

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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.