Home / 13,838.04-19,102.20-10,480.86

Finding the Fourth Proportional to 13,838.04, 19,102.20 and 10,480.86

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Solution

The fourth proportional to 13,838.04, 19,102.20 and 10,480.86 is: 14,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,838.04 : 19,102.20 = 10,480.86 : x
  2. Step 2: Convert to fraction form
    13,838.04/19,102.20 = 10,480.86/x
  3. Step 3: Cross multiply
    13,838.04x = 19,102.20 × 10,480.86
  4. Step 4: Simplify right side
    13,838.04x = 200,207,483.89
  5. Step 5: Solve for x
    x = 200,207,483.89/13,838.04
  6. Step 6: Final answer
    x = 14,467.91

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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.