Home / 15,628.05-21,566.75-8,554.44

Finding the Fourth Proportional to 15,628.05, 21,566.75 and 8,554.44

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Solution

The fourth proportional to 15,628.05, 21,566.75 and 8,554.44 is: 11,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.05 : 21,566.75 = 8,554.44 : x
  2. Step 2: Convert to fraction form
    15,628.05/21,566.75 = 8,554.44/x
  3. Step 3: Cross multiply
    15,628.05x = 21,566.75 × 8,554.44
  4. Step 4: Simplify right side
    15,628.05x = 184,491,426.10
  5. Step 5: Solve for x
    x = 184,491,426.10/15,628.05
  6. Step 6: Final answer
    x = 11,805.15

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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.