Home / 15,895.25-21,936.47-9,181.16

Finding the Fourth Proportional to 15,895.25, 21,936.47 and 9,181.16

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Solution

The fourth proportional to 15,895.25, 21,936.47 and 9,181.16 is: 12,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.25 : 21,936.47 = 9,181.16 : x
  2. Step 2: Convert to fraction form
    15,895.25/21,936.47 = 9,181.16/x
  3. Step 3: Cross multiply
    15,895.25x = 21,936.47 × 9,181.16
  4. Step 4: Simplify right side
    15,895.25x = 201,402,085.32
  5. Step 5: Solve for x
    x = 201,402,085.32/15,895.25
  6. Step 6: Final answer
    x = 12,670.59

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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.