Home / 12,880.32-19,301.04-9,577.92

Finding the Fourth Proportional to 12,880.32, 19,301.04 and 9,577.92

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Solution

The fourth proportional to 12,880.32, 19,301.04 and 9,577.92 is: 14,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880.32 : 19,301.04 = 9,577.92 : x
  2. Step 2: Convert to fraction form
    12,880.32/19,301.04 = 9,577.92/x
  3. Step 3: Cross multiply
    12,880.32x = 19,301.04 × 9,577.92
  4. Step 4: Simplify right side
    12,880.32x = 184,863,817.04
  5. Step 5: Solve for x
    x = 184,863,817.04/12,880.32
  6. Step 6: Final answer
    x = 14,352.42

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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.