Home / 13,277.13-19,909.20-7,577.43

Finding the Fourth Proportional to 13,277.13, 19,909.20 and 7,577.43

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Solution

The fourth proportional to 13,277.13, 19,909.20 and 7,577.43 is: 11,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.13 : 19,909.20 = 7,577.43 : x
  2. Step 2: Convert to fraction form
    13,277.13/19,909.20 = 7,577.43/x
  3. Step 3: Cross multiply
    13,277.13x = 19,909.20 × 7,577.43
  4. Step 4: Simplify right side
    13,277.13x = 150,860,569.36
  5. Step 5: Solve for x
    x = 150,860,569.36/13,277.13
  6. Step 6: Final answer
    x = 11,362.44

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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.