Home / 14,177.89-21,270.30-4,316.64

Finding the Fourth Proportional to 14,177.89, 21,270.30 and 4,316.64

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Solution

The fourth proportional to 14,177.89, 21,270.30 and 4,316.64 is: 6,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.89 : 21,270.30 = 4,316.64 : x
  2. Step 2: Convert to fraction form
    14,177.89/21,270.30 = 4,316.64/x
  3. Step 3: Cross multiply
    14,177.89x = 21,270.30 × 4,316.64
  4. Step 4: Simplify right side
    14,177.89x = 91,816,227.79
  5. Step 5: Solve for x
    x = 91,816,227.79/14,177.89
  6. Step 6: Final answer
    x = 6,476.01

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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.