Home / 10,219.71-15,308.01-4,677.72

Finding the Fourth Proportional to 10,219.71, 15,308.01 and 4,677.72

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Solution

The fourth proportional to 10,219.71, 15,308.01 and 4,677.72 is: 7,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.71 : 15,308.01 = 4,677.72 : x
  2. Step 2: Convert to fraction form
    10,219.71/15,308.01 = 4,677.72/x
  3. Step 3: Cross multiply
    10,219.71x = 15,308.01 × 4,677.72
  4. Step 4: Simplify right side
    10,219.71x = 71,606,584.54
  5. Step 5: Solve for x
    x = 71,606,584.54/10,219.71
  6. Step 6: Final answer
    x = 7,006.71

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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.