Home / 11,526.34-15,905.34-6,421.48

Finding the Fourth Proportional to 11,526.34, 15,905.34 and 6,421.48

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Solution

The fourth proportional to 11,526.34, 15,905.34 and 6,421.48 is: 8,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.34 : 15,905.34 = 6,421.48 : x
  2. Step 2: Convert to fraction form
    11,526.34/15,905.34 = 6,421.48/x
  3. Step 3: Cross multiply
    11,526.34x = 15,905.34 × 6,421.48
  4. Step 4: Simplify right side
    11,526.34x = 102,135,790.60
  5. Step 5: Solve for x
    x = 102,135,790.60/11,526.34
  6. Step 6: Final answer
    x = 8,861.08

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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.