Home / 15,628.54-21,567.90-8,554.96

Finding the Fourth Proportional to 15,628.54, 21,567.90 and 8,554.96

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Solution

The fourth proportional to 15,628.54, 21,567.90 and 8,554.96 is: 11,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.54 : 21,567.90 = 8,554.96 : x
  2. Step 2: Convert to fraction form
    15,628.54/21,567.90 = 8,554.96/x
  3. Step 3: Cross multiply
    15,628.54x = 21,567.90 × 8,554.96
  4. Step 4: Simplify right side
    15,628.54x = 184,512,435.78
  5. Step 5: Solve for x
    x = 184,512,435.78/15,628.54
  6. Step 6: Final answer
    x = 11,806.12

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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.