Home / 15,628.27-21,566.17-8,553.32

Finding the Fourth Proportional to 15,628.27, 21,566.17 and 8,553.32

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Solution

The fourth proportional to 15,628.27, 21,566.17 and 8,553.32 is: 11,803.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.27 : 21,566.17 = 8,553.32 : x
  2. Step 2: Convert to fraction form
    15,628.27/21,566.17 = 8,553.32/x
  3. Step 3: Cross multiply
    15,628.27x = 21,566.17 × 8,553.32
  4. Step 4: Simplify right side
    15,628.27x = 184,462,353.18
  5. Step 5: Solve for x
    x = 184,462,353.18/15,628.27
  6. Step 6: Final answer
    x = 11,803.12

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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.