Home / 15,895.36-21,936.65-9,181.27

Finding the Fourth Proportional to 15,895.36, 21,936.65 and 9,181.27

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Solution

The fourth proportional to 15,895.36, 21,936.65 and 9,181.27 is: 12,670.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.36 : 21,936.65 = 9,181.27 : x
  2. Step 2: Convert to fraction form
    15,895.36/21,936.65 = 9,181.27/x
  3. Step 3: Cross multiply
    15,895.36x = 21,936.65 × 9,181.27
  4. Step 4: Simplify right side
    15,895.36x = 201,406,306.55
  5. Step 5: Solve for x
    x = 201,406,306.55/15,895.36
  6. Step 6: Final answer
    x = 12,670.76

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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.