Home / 15,628.58-21,566.60-8,553.63

Finding the Fourth Proportional to 15,628.58, 21,566.60 and 8,553.63

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Solution

The fourth proportional to 15,628.58, 21,566.60 and 8,553.63 is: 11,803.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.58 : 21,566.60 = 8,553.63 : x
  2. Step 2: Convert to fraction form
    15,628.58/21,566.60 = 8,553.63/x
  3. Step 3: Cross multiply
    15,628.58x = 21,566.60 × 8,553.63
  4. Step 4: Simplify right side
    15,628.58x = 184,472,673.99
  5. Step 5: Solve for x
    x = 184,472,673.99/15,628.58
  6. Step 6: Final answer
    x = 11,803.55

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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.