Home / 12,898.32-19,350.27-4,013.49

Finding the Fourth Proportional to 12,898.32, 19,350.27 and 4,013.49

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Solution

The fourth proportional to 12,898.32, 19,350.27 and 4,013.49 is: 6,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.32 : 19,350.27 = 4,013.49 : x
  2. Step 2: Convert to fraction form
    12,898.32/19,350.27 = 4,013.49/x
  3. Step 3: Cross multiply
    12,898.32x = 19,350.27 × 4,013.49
  4. Step 4: Simplify right side
    12,898.32x = 77,662,115.14
  5. Step 5: Solve for x
    x = 77,662,115.14/12,898.32
  6. Step 6: Final answer
    x = 6,021.10

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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.