Home / 15,977.72-22,051.43-9,265.45

Finding the Fourth Proportional to 15,977.72, 22,051.43 and 9,265.45

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Solution

The fourth proportional to 15,977.72, 22,051.43 and 9,265.45 is: 12,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,977.72 : 22,051.43 = 9,265.45 : x
  2. Step 2: Convert to fraction form
    15,977.72/22,051.43 = 9,265.45/x
  3. Step 3: Cross multiply
    15,977.72x = 22,051.43 × 9,265.45
  4. Step 4: Simplify right side
    15,977.72x = 204,316,422.09
  5. Step 5: Solve for x
    x = 204,316,422.09/15,977.72
  6. Step 6: Final answer
    x = 12,787.58

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1.5x scale

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.