Home / 14,141.16-21,212.28-4,781.34

Finding the Fourth Proportional to 14,141.16, 21,212.28 and 4,781.34

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Solution

The fourth proportional to 14,141.16, 21,212.28 and 4,781.34 is: 7,172.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.16 : 21,212.28 = 4,781.34 : x
  2. Step 2: Convert to fraction form
    14,141.16/21,212.28 = 4,781.34/x
  3. Step 3: Cross multiply
    14,141.16x = 21,212.28 × 4,781.34
  4. Step 4: Simplify right side
    14,141.16x = 101,423,122.86
  5. Step 5: Solve for x
    x = 101,423,122.86/14,141.16
  6. Step 6: Final answer
    x = 7,172.19

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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.