Home / 15,617.84-21,553.16-8,544.92

Finding the Fourth Proportional to 15,617.84, 21,553.16 and 8,544.92

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Solution

The fourth proportional to 15,617.84, 21,553.16 and 8,544.92 is: 11,792.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.84 : 21,553.16 = 8,544.92 : x
  2. Step 2: Convert to fraction form
    15,617.84/21,553.16 = 8,544.92/x
  3. Step 3: Cross multiply
    15,617.84x = 21,553.16 × 8,544.92
  4. Step 4: Simplify right side
    15,617.84x = 184,169,877.46
  5. Step 5: Solve for x
    x = 184,169,877.46/15,617.84
  6. Step 6: Final answer
    x = 11,792.28

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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.