Home / 19,300.38-28,950.56-4,708.38

Finding the Fourth Proportional to 19,300.38, 28,950.56 and 4,708.38

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Solution

The fourth proportional to 19,300.38, 28,950.56 and 4,708.38 is: 7,062.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.38 : 28,950.56 = 4,708.38 : x
  2. Step 2: Convert to fraction form
    19,300.38/28,950.56 = 4,708.38/x
  3. Step 3: Cross multiply
    19,300.38x = 28,950.56 × 4,708.38
  4. Step 4: Simplify right side
    19,300.38x = 136,310,237.69
  5. Step 5: Solve for x
    x = 136,310,237.69/19,300.38
  6. Step 6: Final answer
    x = 7,062.57

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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.