Home / 14,445.49-21,671.88-6,659.77

Finding the Fourth Proportional to 14,445.49, 21,671.88 and 6,659.77

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Solution

The fourth proportional to 14,445.49, 21,671.88 and 6,659.77 is: 9,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.49 : 21,671.88 = 6,659.77 : x
  2. Step 2: Convert to fraction form
    14,445.49/21,671.88 = 6,659.77/x
  3. Step 3: Cross multiply
    14,445.49x = 21,671.88 × 6,659.77
  4. Step 4: Simplify right side
    14,445.49x = 144,329,736.27
  5. Step 5: Solve for x
    x = 144,329,736.27/14,445.49
  6. Step 6: Final answer
    x = 9,991.34

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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.