Home / 12,903.24-19,351.22-5,005.20

Finding the Fourth Proportional to 12,903.24, 19,351.22 and 5,005.20

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Solution

The fourth proportional to 12,903.24, 19,351.22 and 5,005.20 is: 7,506.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.24 : 19,351.22 = 5,005.20 : x
  2. Step 2: Convert to fraction form
    12,903.24/19,351.22 = 5,005.20/x
  3. Step 3: Cross multiply
    12,903.24x = 19,351.22 × 5,005.20
  4. Step 4: Simplify right side
    12,903.24x = 96,856,701.32
  5. Step 5: Solve for x
    x = 96,856,701.32/12,903.24
  6. Step 6: Final answer
    x = 7,506.39

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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.