Home / 14,612.60-21,951.30-14,022.20

Finding the Fourth Proportional to 14,612.60, 21,951.30 and 14,022.20

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Solution

The fourth proportional to 14,612.60, 21,951.30 and 14,022.20 is: 21,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.60 : 21,951.30 = 14,022.20 : x
  2. Step 2: Convert to fraction form
    14,612.60/21,951.30 = 14,022.20/x
  3. Step 3: Cross multiply
    14,612.60x = 21,951.30 × 14,022.20
  4. Step 4: Simplify right side
    14,612.60x = 307,805,518.86
  5. Step 5: Solve for x
    x = 307,805,518.86/14,612.60
  6. Step 6: Final answer
    x = 21,064.39

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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.