Home / 19,107.48-28,658.10-5,068.38

Finding the Fourth Proportional to 19,107.48, 28,658.10 and 5,068.38

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Solution

The fourth proportional to 19,107.48, 28,658.10 and 5,068.38 is: 7,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,107.48 : 28,658.10 = 5,068.38 : x
  2. Step 2: Convert to fraction form
    19,107.48/28,658.10 = 5,068.38/x
  3. Step 3: Cross multiply
    19,107.48x = 28,658.10 × 5,068.38
  4. Step 4: Simplify right side
    19,107.48x = 145,250,140.88
  5. Step 5: Solve for x
    x = 145,250,140.88/19,107.48
  6. Step 6: Final answer
    x = 7,601.74

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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.