Home / 14,522.47-21,781.64-4,660.45

Finding the Fourth Proportional to 14,522.47, 21,781.64 and 4,660.45

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Solution

The fourth proportional to 14,522.47, 21,781.64 and 4,660.45 is: 6,990.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.47 : 21,781.64 = 4,660.45 : x
  2. Step 2: Convert to fraction form
    14,522.47/21,781.64 = 4,660.45/x
  3. Step 3: Cross multiply
    14,522.47x = 21,781.64 × 4,660.45
  4. Step 4: Simplify right side
    14,522.47x = 101,512,201.34
  5. Step 5: Solve for x
    x = 101,512,201.34/14,522.47
  6. Step 6: Final answer
    x = 6,990.01

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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.