Home / 15,801.62-21,796.43-10,134.45

Finding the Fourth Proportional to 15,801.62, 21,796.43 and 10,134.45

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Solution

The fourth proportional to 15,801.62, 21,796.43 and 10,134.45 is: 13,979.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,801.62 : 21,796.43 = 10,134.45 : x
  2. Step 2: Convert to fraction form
    15,801.62/21,796.43 = 10,134.45/x
  3. Step 3: Cross multiply
    15,801.62x = 21,796.43 × 10,134.45
  4. Step 4: Simplify right side
    15,801.62x = 220,894,779.34
  5. Step 5: Solve for x
    x = 220,894,779.34/15,801.62
  6. Step 6: Final answer
    x = 13,979.25

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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.