Home / 15,628.25-21,567.20-8,554.52

Finding the Fourth Proportional to 15,628.25, 21,567.20 and 8,554.52

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Solution

The fourth proportional to 15,628.25, 21,567.20 and 8,554.52 is: 11,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.25 : 21,567.20 = 8,554.52 : x
  2. Step 2: Convert to fraction form
    15,628.25/21,567.20 = 8,554.52/x
  3. Step 3: Cross multiply
    15,628.25x = 21,567.20 × 8,554.52
  4. Step 4: Simplify right side
    15,628.25x = 184,497,000.97
  5. Step 5: Solve for x
    x = 184,497,000.97/15,628.25
  6. Step 6: Final answer
    x = 11,805.35

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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.