Home / 14,498.60-21,780.30-13,908.20

Finding the Fourth Proportional to 14,498.60, 21,780.30 and 13,908.20

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Solution

The fourth proportional to 14,498.60, 21,780.30 and 13,908.20 is: 20,893.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498.60 : 21,780.30 = 13,908.20 : x
  2. Step 2: Convert to fraction form
    14,498.60/21,780.30 = 13,908.20/x
  3. Step 3: Cross multiply
    14,498.60x = 21,780.30 × 13,908.20
  4. Step 4: Simplify right side
    14,498.60x = 302,924,768.46
  5. Step 5: Solve for x
    x = 302,924,768.46/14,498.60
  6. Step 6: Final answer
    x = 20,893.38

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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.