Home / 13,310.50-19,967.37-5,411.35

Finding the Fourth Proportional to 13,310.50, 19,967.37 and 5,411.35

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Solution

The fourth proportional to 13,310.50, 19,967.37 and 5,411.35 is: 8,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.50 : 19,967.37 = 5,411.35 : x
  2. Step 2: Convert to fraction form
    13,310.50/19,967.37 = 5,411.35/x
  3. Step 3: Cross multiply
    13,310.50x = 19,967.37 × 5,411.35
  4. Step 4: Simplify right side
    13,310.50x = 108,050,427.65
  5. Step 5: Solve for x
    x = 108,050,427.65/13,310.50
  6. Step 6: Final answer
    x = 8,117.68

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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.