Home / 12,260.18-16,919.61-9,430.58

Finding the Fourth Proportional to 12,260.18, 16,919.61 and 9,430.58

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Solution

The fourth proportional to 12,260.18, 16,919.61 and 9,430.58 is: 13,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.18 : 16,919.61 = 9,430.58 : x
  2. Step 2: Convert to fraction form
    12,260.18/16,919.61 = 9,430.58/x
  3. Step 3: Cross multiply
    12,260.18x = 16,919.61 × 9,430.58
  4. Step 4: Simplify right side
    12,260.18x = 159,561,735.67
  5. Step 5: Solve for x
    x = 159,561,735.67/12,260.18
  6. Step 6: Final answer
    x = 13,014.63

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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.