Home / 15,481.63-21,368.05-10,176.94

Finding the Fourth Proportional to 15,481.63, 21,368.05 and 10,176.94

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Solution

The fourth proportional to 15,481.63, 21,368.05 and 10,176.94 is: 14,046.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.63 : 21,368.05 = 10,176.94 : x
  2. Step 2: Convert to fraction form
    15,481.63/21,368.05 = 10,176.94/x
  3. Step 3: Cross multiply
    15,481.63x = 21,368.05 × 10,176.94
  4. Step 4: Simplify right side
    15,481.63x = 217,461,421.28
  5. Step 5: Solve for x
    x = 217,461,421.28/15,481.63
  6. Step 6: Final answer
    x = 14,046.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.