Home / 13,227.40-19,841.10-10,307.89

Finding the Fourth Proportional to 13,227.40, 19,841.10 and 10,307.89

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Solution

The fourth proportional to 13,227.40, 19,841.10 and 10,307.89 is: 15,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.40 : 19,841.10 = 10,307.89 : x
  2. Step 2: Convert to fraction form
    13,227.40/19,841.10 = 10,307.89/x
  3. Step 3: Cross multiply
    13,227.40x = 19,841.10 × 10,307.89
  4. Step 4: Simplify right side
    13,227.40x = 204,519,876.28
  5. Step 5: Solve for x
    x = 204,519,876.28/13,227.40
  6. Step 6: Final answer
    x = 15,461.84

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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.