Home / 14,439.41-21,659.88-4,579.47

Finding the Fourth Proportional to 14,439.41, 21,659.88 and 4,579.47

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Solution

The fourth proportional to 14,439.41, 21,659.88 and 4,579.47 is: 6,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.41 : 21,659.88 = 4,579.47 : x
  2. Step 2: Convert to fraction form
    14,439.41/21,659.88 = 4,579.47/x
  3. Step 3: Cross multiply
    14,439.41x = 21,659.88 × 4,579.47
  4. Step 4: Simplify right side
    14,439.41x = 99,190,770.66
  5. Step 5: Solve for x
    x = 99,190,770.66/14,439.41
  6. Step 6: Final answer
    x = 6,869.45

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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.