Home / 14,116.41-21,170.30-4,880.25

Finding the Fourth Proportional to 14,116.41, 21,170.30 and 4,880.25

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Solution

The fourth proportional to 14,116.41, 21,170.30 and 4,880.25 is: 7,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.41 : 21,170.30 = 4,880.25 : x
  2. Step 2: Convert to fraction form
    14,116.41/21,170.30 = 4,880.25/x
  3. Step 3: Cross multiply
    14,116.41x = 21,170.30 × 4,880.25
  4. Step 4: Simplify right side
    14,116.41x = 103,316,332.17
  5. Step 5: Solve for x
    x = 103,316,332.17/14,116.41
  6. Step 6: Final answer
    x = 7,318.88

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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.