Home / 12,807.72-19,214.10-5,016.60

Finding the Fourth Proportional to 12,807.72, 19,214.10 and 5,016.60

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Solution

The fourth proportional to 12,807.72, 19,214.10 and 5,016.60 is: 7,525.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,807.72 : 19,214.10 = 5,016.60 : x
  2. Step 2: Convert to fraction form
    12,807.72/19,214.10 = 5,016.60/x
  3. Step 3: Cross multiply
    12,807.72x = 19,214.10 × 5,016.60
  4. Step 4: Simplify right side
    12,807.72x = 96,389,454.06
  5. Step 5: Solve for x
    x = 96,389,454.06/12,807.72
  6. Step 6: Final answer
    x = 7,525.89

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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.