Home / 14,176.89-21,253.02-10,218.42

Finding the Fourth Proportional to 14,176.89, 21,253.02 and 10,218.42

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Solution

The fourth proportional to 14,176.89, 21,253.02 and 10,218.42 is: 15,318.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.89 : 21,253.02 = 10,218.42 : x
  2. Step 2: Convert to fraction form
    14,176.89/21,253.02 = 10,218.42/x
  3. Step 3: Cross multiply
    14,176.89x = 21,253.02 × 10,218.42
  4. Step 4: Simplify right side
    14,176.89x = 217,172,284.63
  5. Step 5: Solve for x
    x = 217,172,284.63/14,176.89
  6. Step 6: Final answer
    x = 15,318.75

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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.