Home / 13,838.58-20,730.33-10,707.66

Finding the Fourth Proportional to 13,838.58, 20,730.33 and 10,707.66

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Solution

The fourth proportional to 13,838.58, 20,730.33 and 10,707.66 is: 16,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.58 : 20,730.33 = 10,707.66 : x
  2. Step 2: Convert to fraction form
    13,838.58/20,730.33 = 10,707.66/x
  3. Step 3: Cross multiply
    13,838.58x = 20,730.33 × 10,707.66
  4. Step 4: Simplify right side
    13,838.58x = 221,973,325.33
  5. Step 5: Solve for x
    x = 221,973,325.33/13,838.58
  6. Step 6: Final answer
    x = 16,040.18

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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.