Home / 12,903.48-19,354.74-3,669.24

Finding the Fourth Proportional to 12,903.48, 19,354.74 and 3,669.24

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Solution

The fourth proportional to 12,903.48, 19,354.74 and 3,669.24 is: 5,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.48 : 19,354.74 = 3,669.24 : x
  2. Step 2: Convert to fraction form
    12,903.48/19,354.74 = 3,669.24/x
  3. Step 3: Cross multiply
    12,903.48x = 19,354.74 × 3,669.24
  4. Step 4: Simplify right side
    12,903.48x = 71,017,186.20
  5. Step 5: Solve for x
    x = 71,017,186.20/12,903.48
  6. Step 6: Final answer
    x = 5,503.72

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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.