Home / 14,577.21-20,125.71-11,564.64

Finding the Fourth Proportional to 14,577.21, 20,125.71 and 11,564.64

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Solution

The fourth proportional to 14,577.21, 20,125.71 and 11,564.64 is: 15,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,577.21 : 20,125.71 = 11,564.64 : x
  2. Step 2: Convert to fraction form
    14,577.21/20,125.71 = 11,564.64/x
  3. Step 3: Cross multiply
    14,577.21x = 20,125.71 × 11,564.64
  4. Step 4: Simplify right side
    14,577.21x = 232,746,590.89
  5. Step 5: Solve for x
    x = 232,746,590.89/14,577.21
  6. Step 6: Final answer
    x = 15,966.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.