Home / 13,062.20-19,607.13-8,135.30

Finding the Fourth Proportional to 13,062.20, 19,607.13 and 8,135.30

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Solution

The fourth proportional to 13,062.20, 19,607.13 and 8,135.30 is: 12,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.20 : 19,607.13 = 8,135.30 : x
  2. Step 2: Convert to fraction form
    13,062.20/19,607.13 = 8,135.30/x
  3. Step 3: Cross multiply
    13,062.20x = 19,607.13 × 8,135.30
  4. Step 4: Simplify right side
    13,062.20x = 159,509,933.71
  5. Step 5: Solve for x
    x = 159,509,933.71/13,062.20
  6. Step 6: Final answer
    x = 12,211.57

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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.