Home / 12,421.89-18,630.34-6,094.07

Finding the Fourth Proportional to 12,421.89, 18,630.34 and 6,094.07

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Solution

The fourth proportional to 12,421.89, 18,630.34 and 6,094.07 is: 9,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421.89 : 18,630.34 = 6,094.07 : x
  2. Step 2: Convert to fraction form
    12,421.89/18,630.34 = 6,094.07/x
  3. Step 3: Cross multiply
    12,421.89x = 18,630.34 × 6,094.07
  4. Step 4: Simplify right side
    12,421.89x = 113,534,557.56
  5. Step 5: Solve for x
    x = 113,534,557.56/12,421.89
  6. Step 6: Final answer
    x = 9,139.88

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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.