Home / 15,476.67-21,346.88-9,511.70

Finding the Fourth Proportional to 15,476.67, 21,346.88 and 9,511.70

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Solution

The fourth proportional to 15,476.67, 21,346.88 and 9,511.70 is: 13,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,476.67 : 21,346.88 = 9,511.70 : x
  2. Step 2: Convert to fraction form
    15,476.67/21,346.88 = 9,511.70/x
  3. Step 3: Cross multiply
    15,476.67x = 21,346.88 × 9,511.70
  4. Step 4: Simplify right side
    15,476.67x = 203,044,964.20
  5. Step 5: Solve for x
    x = 203,044,964.20/15,476.67
  6. Step 6: Final answer
    x = 13,119.42

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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.