Home / 15,608.34-21,539.55-8,534.88

Finding the Fourth Proportional to 15,608.34, 21,539.55 and 8,534.88

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Solution

The fourth proportional to 15,608.34, 21,539.55 and 8,534.88 is: 11,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,608.34 : 21,539.55 = 8,534.88 : x
  2. Step 2: Convert to fraction form
    15,608.34/21,539.55 = 8,534.88/x
  3. Step 3: Cross multiply
    15,608.34x = 21,539.55 × 8,534.88
  4. Step 4: Simplify right side
    15,608.34x = 183,837,474.50
  5. Step 5: Solve for x
    x = 183,837,474.50/15,608.34
  6. Step 6: Final answer
    x = 11,778.16

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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.