Home / 21,655.08-32,460.75-8,502.30

Finding the Fourth Proportional to 21,655.08, 32,460.75 and 8,502.30

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Solution

The fourth proportional to 21,655.08, 32,460.75 and 8,502.30 is: 12,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.08 : 32,460.75 = 8,502.30 : x
  2. Step 2: Convert to fraction form
    21,655.08/32,460.75 = 8,502.30/x
  3. Step 3: Cross multiply
    21,655.08x = 32,460.75 × 8,502.30
  4. Step 4: Simplify right side
    21,655.08x = 275,991,034.73
  5. Step 5: Solve for x
    x = 275,991,034.73/21,655.08
  6. Step 6: Final answer
    x = 12,744.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.