Home / 13,003.70-17,929.91-12,303.05

Finding the Fourth Proportional to 13,003.70, 17,929.91 and 12,303.05

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Solution

The fourth proportional to 13,003.70, 17,929.91 and 12,303.05 is: 16,963.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.70 : 17,929.91 = 12,303.05 : x
  2. Step 2: Convert to fraction form
    13,003.70/17,929.91 = 12,303.05/x
  3. Step 3: Cross multiply
    13,003.70x = 17,929.91 × 12,303.05
  4. Step 4: Simplify right side
    13,003.70x = 220,592,517.71
  5. Step 5: Solve for x
    x = 220,592,517.71/13,003.70
  6. Step 6: Final answer
    x = 16,963.83

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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.