Home / 15,895.51-21,937.75-9,181.13

Finding the Fourth Proportional to 15,895.51, 21,937.75 and 9,181.13

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Solution

The fourth proportional to 15,895.51, 21,937.75 and 9,181.13 is: 12,671.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.51 : 21,937.75 = 9,181.13 : x
  2. Step 2: Convert to fraction form
    15,895.51/21,937.75 = 9,181.13/x
  3. Step 3: Cross multiply
    15,895.51x = 21,937.75 × 9,181.13
  4. Step 4: Simplify right side
    15,895.51x = 201,413,325.42
  5. Step 5: Solve for x
    x = 201,413,325.42/15,895.51
  6. Step 6: Final answer
    x = 12,671.08

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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.