Home / 14,484.60-21,759.30-13,894.20

Finding the Fourth Proportional to 14,484.60, 21,759.30 and 13,894.20

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Solution

The fourth proportional to 14,484.60, 21,759.30 and 13,894.20 is: 20,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,484.60 : 21,759.30 = 13,894.20 : x
  2. Step 2: Convert to fraction form
    14,484.60/21,759.30 = 13,894.20/x
  3. Step 3: Cross multiply
    14,484.60x = 21,759.30 × 13,894.20
  4. Step 4: Simplify right side
    14,484.60x = 302,328,066.06
  5. Step 5: Solve for x
    x = 302,328,066.06/14,484.60
  6. Step 6: Final answer
    x = 20,872.38

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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.