Home / 15,628.53-21,566.54-8,553.59

Finding the Fourth Proportional to 15,628.53, 21,566.54 and 8,553.59

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Solution

The fourth proportional to 15,628.53, 21,566.54 and 8,553.59 is: 11,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.53 : 21,566.54 = 8,553.59 : x
  2. Step 2: Convert to fraction form
    15,628.53/21,566.54 = 8,553.59/x
  3. Step 3: Cross multiply
    15,628.53x = 21,566.54 × 8,553.59
  4. Step 4: Simplify right side
    15,628.53x = 184,471,190.28
  5. Step 5: Solve for x
    x = 184,471,190.28/15,628.53
  6. Step 6: Final answer
    x = 11,803.49

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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.